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Historical Markers and War Memorials in Allegheny County, Pennsylvania

 
Clickable Map of Allegheny County, Pennsylvania and Immediately Adjacent Jurisdictions image/svg+xml 2019-10-06 U.S. Census Bureau, Abe.suleiman; Lokal_Profil; HMdb.org; J.J.Prats/dc:title> https://commons.wikimedia.org/wiki/File:Usa_counties_large.svg Allegheny County, PA (470) Armstrong County, PA (21) Beaver County, PA (147) Butler County, PA (25) Washington County, PA (78) Westmoreland County, PA (100)  AlleghenyCounty(470) Allegheny County (470)  ArmstrongCounty(21) Armstrong County (21)  BeaverCounty(147) Beaver County (147)  ButlerCounty(25) Butler County (25)  WashingtonCounty(78) Washington County (78)  WestmorelandCounty(100) Westmoreland County (100)
Adjacent to Allegheny County, Pennsylvania
    Armstrong County (21)
    Beaver County (147)
    Butler County (25)
    Washington County (78)
    Westmoreland County (100)
 
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GEOGRAPHIC SORT
201Pennsylvania (Allegheny County), Pittsburgh — From Slavery to Freedom Garden
In order to promote understanding of the African Diaspora, the Heinz History Center and Pittsburgh Parks Conservancy have collaborated to create this Slavery to Freedom Garden. The garden honors authentic historical accounts and highlights . . . — Map (db m156137) HM
202Pennsylvania (Allegheny County), Pittsburgh — From Slavery to Freedom Garden
Welcome to a space that honors African-American knowledge and use of native flora. From 1501 to the 1880s, the Trans-Atlantic Slave Trade transported over 440,000 Africans to North America. Learning about their new landscape was essential to . . . — Map (db m156138) HM
203Pennsylvania (Allegheny County), Pittsburgh — George Westinghouse Memorial — 1846 - 1914
George Westinghouse Union Soldier Citizen of Pittsburgh Founder of the Westinghouse Industries Benefactor of humanity through his labors and inventions 1846 - 1914 The first substitution of high voltage electricity for . . . — Map (db m156205) HM WM
204Pennsylvania (Allegheny County), Pittsburgh — Gold Star Mothers Memorial
In tribute to the Gold Star Mothers, Inc. of Allegheny County, whose children made the Supreme Sacrifice in defense of our country. — Map (db m156219) WM
205Pennsylvania (Allegheny County), Pittsburgh — Grace United Methodist Church — Historic Landmark —
Grace United Methodist Church Built 1872 — Map (db m72417) HM
206Pennsylvania (Allegheny County), Pittsburgh — Grant's Hill
On this hill the British under Major James Grant were defeated by the French and Indians from Fort Duquesne, September 14, 1758. — Map (db m40938) HM
207Pennsylvania (Allegheny County), Pittsburgh — Great Strike Ignites the Nation! — Great Railroad Strike of 1877
The Great Strike of 1877 was not exclusive to Pittsburgh. The first signs of what would become a popular uprising appeared on the B&O Line in Baltimore, on July 16th 1877. Unrest in Baltimore was initially suppressed. The next day, however, trainmen . . . — Map (db m26106) HM
208Pennsylvania (Allegheny County), Pittsburgh — Greenfield Veterans Memorial
Dedicated to the noble deeds of Greenfield men and women who served their country in World Wars I and II and the lasting memory of their names — Map (db m81390) WM
209Pennsylvania (Allegheny County), Pittsburgh — Greenhouse
The greenhouse is a reproduction and partial reconstruction of one that served the Frick family from 1897 through the 1970s. When Henry and Adelaide Frick purchased Clayton in 1882, they had a small greenhouse built near the Homewood Avenue fence . . . — Map (db m156188) HM
210Pennsylvania (Allegheny County), Pittsburgh — Greenlee Field
Located here from 1932 to 1938, this was the first African American owned stadium in the Negro Leagues. Home of Gus Greenlee's Pittsburgh Crawfords baseball team, 1935 Negro League champs. Players included Hall of Famers Satchel Paige, Josh Gibson, . . . — Map (db m52129) HM
211Pennsylvania (Allegheny County), Pittsburgh — Gulf Building — Historic Landmark —
Gulf Building 1930-1932 Trowbridge & Livingston, Archs. — Map (db m83953) HM
212Pennsylvania (Allegheny County), Pittsburgh — Hampton Battery Monument
Map (db m82420) WM
213Pennsylvania (Allegheny County), Pittsburgh — Hazelwood: A Rivertown Rich in History
Named for the hazelnut trees that once grew on the banks of the Monongahela River, Hazelwood possessed a natural beauty that George Washington noted in his early journals. Originally Native American territory, Hazelwood was purchased through the . . . — Map (db m94065) HM
214Pennsylvania (Allegheny County), Pittsburgh — Heinz Hall — Historic Landmark —
Heinz Hall (formerly Loew's Penn Theatre) Rapp & Rapp, Architects 1926 Stotz, Hess, MacLachlan & Fosner remodeling 1971 — Map (db m67122) HM
215Pennsylvania (Allegheny County), Pittsburgh — Henry Clay Frick — (1849-1919)
Pittsburgh industrialist and philanthropist, Frick was instrumental in the organization of the coke and steel industries. His controversial management style while chairman of Carnegie Steel led to the bloody Homestead Strike in 1892. — Map (db m40939) HM
216Pennsylvania (Allegheny County), Pittsburgh — Henry Hobson Richardson, Master Builder & Architect — 1838 - 1886 — H.H. Richardson's Allegheny County Courthouse and Jail —
"If they honor me for the pigmy things I have already done, what will they say when they see Pittsburgh finished." Henry Hobson Richardson, by any standard, was one of the very greatest architects in the history of American . . . — Map (db m156233) HM
217Pennsylvania (Allegheny County), Pittsburgh — Henry J. Heinz — (1844-1919)
From a start in 1869 selling bottled horseradish, Heinz built an international firm by 1886. He pioneered innovative advertising, quality control, and benevolent employee policies and transformed modern diets. — Map (db m40889) HM
218Pennsylvania (Allegheny County), Pittsburgh — Herr's Island
This island was known as Herr's Island for over 200 years. Named for Benjamin Herr, a Swiss Mennonite, the island became an idyllic village with fruit trees and gardens. Herr operated a water-powered mill in the back channel as packet boats floated . . . — Map (db m99623) HM
219Pennsylvania (Allegheny County), Pittsburgh — High Water Mark — [1936 Flood]
High Water Mark March 18, 1936 — Map (db m156257) HM
220Pennsylvania (Allegheny County), Pittsburgh — Historic Site in Journalism — [The Pittsburgh Gazette]
John Scull in 1786 was the first editor to have type and press transported through the rough wilderness to establish a newspaper west of the major Allegheny Range. The Pittsburgh Post-Gazette is the direct descendent of the Gazette which Scull . . . — Map (db m44579) HM
221Pennsylvania (Allegheny County), Pittsburgh — History / Restoration — Westinghouse Memorial
History Honoring George Westinghouse -- An Industrial Hero Once called "The Greatest Living Engineer," George Westinghouse was a prolific inventor, a farsighted entrepreneur, and and enlightened employer. Westinghouse was born to . . . — Map (db m156203) HM
222Pennsylvania (Allegheny County), Pittsburgh — History of Observatory Hill
Observatory Hill was originall part of Allegheny City. Since Allegheny City's annexation to the City of Pittsburgh in 1907, the Observatory Hill district has expanded and is home to nearly 14,000 residents. The neighborhood features stately homes, a . . . — Map (db m79697) HM
223Pennsylvania (Allegheny County), Pittsburgh — In 1841 — H.H. Richardson's Allegheny County Courthouse and Jail
"In the courthouse and jail the man was bigger than the style." Frank Lloyd Wright [1935] In 1841 the second Allegheny County Courthouse was erected on Grant's Hill, a more prominent site than the Market Square location of the first . . . — Map (db m156234) HM
224Pennsylvania (Allegheny County), Pittsburgh — In Commemoration
In commemoration of the grant of this land for the Presbyterian Church and for Trinity Church by the heirs of William Penn in 1787, and in honor of the officers of the Colonial and Revolutionary Armies who after assisting in the achievement of . . . — Map (db m156265) HM WM
225Pennsylvania (Allegheny County), Pittsburgh — In Honor of Service — 1941 - 1945
Gratefully dedicated to these men from Regent Square who went forth to battle unselfishly, courageously and whose valiant service will be forever remembered with pride In honor of those from Regent Square who served their country during . . . — Map (db m156124) HM WM
226Pennsylvania (Allegheny County), Pittsburgh — In Memory of All Korean War Veterans
They told us, "We are going to have peace even if we have to fight for it." So we fought in the mountains on Heartbreak Ridge and waded ashore at Inchon. We froze in the winter and baked in the summer sun. At times, we were greatly outnumbered; but . . . — Map (db m156079) WM
227Pennsylvania (Allegheny County), Pittsburgh — In Memory of John (Jack) Brennan — Retired Fire Captain
Brighton Heights wishes to thank Jack Brennan For His Dedication To Community, Family and Friends. He Was Instrumental In Helping Put Brighton Heights On The Map. He Had A Special Way Of Caring For Those Who Needed Help. His Caring Helped Bridge . . . — Map (db m137908)
228Pennsylvania (Allegheny County), Pittsburgh — Influential Figures — Frick Park
Henry Clay Frick Frick was born in 1849 in West Overton, Westmoreland County, PA. He attended Otterbein University for one year, but did not graduate. In 1871, at 21 years old, Frick joined two cousins and a friend in a small partnership, . . . — Map (db m156128) HM
229Pennsylvania (Allegheny County), Pittsburgh — Iron and Steel Workers — Three Rivers Heritage Trail
The shift to mass production in the steel industry brought thousands of new workers to Pittsburgh and forever changed the city. Between 1870 and 1900, Pittsburgh's population quadrupled. Through Ellis Island and from across the nation came the . . . — Map (db m100348) HM
230Pennsylvania (Allegheny County), Pittsburgh — J.P. "Honus" Wagner
Erected in 1955 by the fans of America in honor of a baseball immortal, a champion among champions, whose record on and off the playing field of the National Game will ever stand as a monument to his own greatness and as an example and . . . — Map (db m156090) HM
231Pennsylvania (Allegheny County), Pittsburgh — James E. Rohr
James E. Rohr rose from the position of management trainee to become Chairman, President and Chief Executive Officer of PNC Financial Services Group, Inc. Under his leadership, PNC became . . . — Map (db m156260) HM
232Pennsylvania (Allegheny County), Pittsburgh — James Hay Reed
Born Sept. 10, 1853, in a house standing in this square. Distinguished as a lawyer. Counselor to a majority of the leaders of business who built the corporations which made Pittsburgh leader in American industry. — Map (db m40176) HM
233Pennsylvania (Allegheny County), Pittsburgh — Jane Grey Swisshelm Childhood Home
To The Memory of Jane Grey Swisshelm 1815-1884 Pittsburgh's first newspaper woman secured passage of state law April 11, 1848 enabling married women to hold and sell property A woman of great moral courage and love for humanity, A . . . — Map (db m83952) HM
234Pennsylvania (Allegheny County), Pittsburgh — Jane Holmes — (1805-1885)
A distinguished philanthropist and humanitarian, she created and funded numerous social service agencies, including the Western Pennsylvania School for Blind Children, here. Her pioneering efforts in charitable giving have served those in need, . . . — Map (db m46526) HM
235Pennsylvania (Allegheny County), Pittsburgh — John A. Roebling — (1806-1869)
Here in 1846, Roebling built the first wire rope suspension bridge to carry a highway over the Monongahela River. He also designed a bridge across the Allegheny River, a railroad bridge at Niagara Falls, and the Brooklyn Bridge. — Map (db m42221) HM
236Pennsylvania (Allegheny County), Pittsburgh — John M. Phillips — (1861-1953)
Creator of the state game land system. Known as the Pennsylvania System, it was a model throughout the nation. Phillips helped establish the Pennsylvania Game Commission. A conservationist, industrialist, and engineer, he was among the first to . . . — Map (db m41297) HM
237Pennsylvania (Allegheny County), Pittsburgh — John Scull — (1765-1828)
Pioneering editor and publisher who issued first edition of Pittsburgh Gazette, 1786. First newspaper west of Alleghenies, it became the Post-Gazette, 1927. A Berks County native, he was active in Western Pennsylvania's civic affairs; home and print . . . — Map (db m42024) HM
238Pennsylvania (Allegheny County), Pittsburgh — John T. Comθs — (1873-1922)
A nationally influential church architect and a prolific writer and lecturer. Comθs was recognized for his philosophy regarding design and decoration of Catholic churches. A Pittsburgh resident, his commissions, including Saint Agnes here, are . . . — Map (db m97505) HM
239Pennsylvania (Allegheny County), Pittsburgh — Johnny Unitas — (1933-2002)
Pittsburgh native and Pro Football Hall of Fame inductee, 1979. Here Unitas quarterbacked semi-pro Bloomfield Rams to a Steel Bowl Football Conference championship in 1955. Signed with the Baltimore Colts in 1956, leading them to an NFL championship . . . — Map (db m40892) HM
240Pennsylvania (Allegheny County), Pittsburgh — Johnson Studio — Established 1923
Johnson Studio was one of the first African-American owned and operated businesses to locate on Centre Avenue. The Studio was first opened at 1862 Centre Avenue in 1923 under the founder's name, Luther H. Johnson, Photographer. The name was changed . . . — Map (db m78475) HM
241Pennsylvania (Allegheny County), Pittsburgh — Jones and Laughlin
The partnership between Jones & Laughlin combined the skills of an older financial genius with those of a brilliant young entrepreneur. Before the Civil War, Jones established a rolling mill on the South Side, and Laughlin subsequently built an iron . . . — Map (db m100349) HM
242Pennsylvania (Allegheny County), Pittsburgh — Jones Hall — Historic Landmark —
Jones Hall 1908-1910 Rutan and Russell, Architects — Map (db m65171) HM
243Pennsylvania (Allegheny County), Pittsburgh — Joshua (Josh) Gibson — (1911-1947)
Hailed as Negro leagues' greatest slugger, he hit some 800 home runs in a baseball career that began here at Ammons Field in 1929. Played for Homestead Grays and Pittsburgh Crawfords, 1930-1946. Elected to the Baseball Hall of Fame, '72. — Map (db m40893) HM
244Pennsylvania (Allegheny County), Pittsburgh — Kaufmann's Department Store and Clock — Historic Landmark —
Kaufmann's Dept. Store and Clock Built 1898 Charles Bickel Architect Addition 1913 Janssen & Abbot Architects — Map (db m66448) HM
245Pennsylvania (Allegheny County), Pittsburgh — Kier Refinery
Using a five-barrel still, Samuel M. Kier erected on this site about 1854 the first commercial refinery to produce illuminating oil from petroleum. He used crude oil from salt wells at Tarentum. — Map (db m43399) HM
246Pennsylvania (Allegheny County), Pittsburgh — Kitchen Garden
At the turn of the 20th century, the Frick family grew produce like peas, Brussels sprouts, beans and corn for the household in this garden. Helen Clay Frick especially enjoyed celery, which was considered a delicacy at the time. Asparagus was . . . — Map (db m156194) HM
247Pennsylvania (Allegheny County), Pittsburgh — Korean War Veterans' Monument
About the Memorial American servicemen and women braved violent combat in Korea. The Nation suffered great losses in the War and spiritual anguish in its aftermath. Friends parted, lives were uprooted, futures were transformed; many died or were . . . — Map (db m60271) WM
248Pennsylvania (Allegheny County), Pittsburgh — Langley Observatory Clock
The title of the sculpture, Langley Observatory Clock, refers to the work of Samuel P. Langley. In 1870, Langley, director of the Allegheny Observatory, created the Allegheny System - a standardized system of measuring and disseminating accurate . . . — Map (db m78391) HM
249Pennsylvania (Allegheny County), Pittsburgh — Le Magnifique — (Mario Lemieux Statue)
Mario Lemieux's career was defined not only by spectacular talent but also by fierce determination and uncommon resilience - qualities that enabled him to break through adversity and overcome immense challenges both on and off the ice. Marion . . . — Map (db m79960) HM
250Pennsylvania (Allegheny County), Pittsburgh — Lewis and Clark Expedition
On Aug. 31, 1803, Captain Meriwether Lewis launched a 50-foot “keeled boat” from Fort Fayette, 100 yards downriver. This marked the beginning of the 3-year expedition commissioned by President Jefferson, which opened America to westward . . . — Map (db m42181) HM
251Pennsylvania (Allegheny County), Pittsburgh — Linwood Apartments — Historic Landmark —
Linwood Apartments Built c. 1907 Frederick G. Scheibler, Jr., Architect — Map (db m65136) HM
252Pennsylvania (Allegheny County), Pittsburgh — Lois Weber — (1879-1939)
The first American woman film director, Weber wrote, directed, and acted in more than 200 films between 1908 and 1934. She addressed social issues like drug addiction, abortion, and poverty and helped pioneer techniques like the split screen. She . . . — Map (db m135725) HM
253Pennsylvania (Allegheny County), Pittsburgh — Louis Kossuth
Great Hungarian Patriot, Champion of liberty, Statesman and Orator, Governor of Hungary in 1849. Lodged in the Hotel St. Charles on this site January 22-31, 1852 as guest of the City of Pittsburgh while on a tour of the United States. — Map (db m156254) HM
254Pennsylvania (Allegheny County), Pittsburgh — Louis Mason, Jr — (1915-1984)
Through 24 years of public service, Mr. Mason worked tirelessly to increase housing and employment opportunities for minorities. Mr. Mason was an exceptional civil rights leader and human being. He served numerous roles throughout the city: . . . — Map (db m78476) HM
255Pennsylvania (Allegheny County), Pittsburgh — Mala Jaska — The Story of a Croatian Community
Between 1890 and 1910, the highway corridor where you are now standing developed into a Croatian community known as "Mala Jaska" (or Little Jastrebarsko), after the town from which many of the immigrants came. The area was initially settled by . . . — Map (db m84561) HM
256Pennsylvania (Allegheny County), Pittsburgh — Maria Sklodowska Curie
In commemoration of Maria Sklodowska Curie A Polish scientist Discoverer of Radium and Polonium Conferred Degree of Doctor of Laws By the University of Pittsburgh on May 26th, 1921 Inspecting facilities of Standard Chemical Company at . . . — Map (db m127227) HM
257Pennsylvania (Allegheny County), Pittsburgh — Martha Graham — (1894-1991)
Born near here, dancer, choreographer, and teacher Martha Graham created a modern and unique movement style. In 1927, she founded her School of Contemporary Dance, revolutionizing the art of modern dance with innovative works such as . . . — Map (db m42222) HM
258Pennsylvania (Allegheny County), Pittsburgh — Martin R. Delany — (1812-1885)
A promoter of African-American nationalism, Delany published a Black newspaper, The Mystery, at an office near here. He attended Harvard Medical School, practiced medicine in Pittsburgh, and was commissioned as a major in the Civil War. — Map (db m42025) HM
259Pennsylvania (Allegheny County), Pittsburgh — Mary Cassatt — (1844-1926)
Born near here, Cassatt studied art in Europe. She lived in Paris, befriended by the Impressionist painter Degas. She was an innovative painter, printmaker, and etcher and is noted for her works depicting women and children. — Map (db m40177) HM
260Pennsylvania (Allegheny County), Pittsburgh — Mary Lou Williams — (1910-1981)
Famed jazz composer and pianist. A child prodigy, she grew up in this city; went to Lincoln School here, 1919-1923. Played for Andy Kirk in 1930s; then arranged music for Duke Ellington and others. Major works include "Zodiac Suite" and "Mary Lou's . . . — Map (db m40898) HM
261Pennsylvania (Allegheny County), Pittsburgh — Materials Handling — Slag Pots — Rivers of Steel National Heritage Area —
Often shipped by rail from ovens and furnaces in slag pots, like the one displayed here, slag is the waste by-product of the iron and steel making process. It can be used in making roadbeds, landfill, concrete, fertilizer and aquarium gravel. . . . — Map (db m94086) HM
262Pennsylvania (Allegheny County), Pittsburgh — Mayapple — Padophyllum peltatum
Golden-yellow fruit of the native mayapple are edible when ripe. The rest of the plant, including unripe green fruit, is very toxic to humans. Native Americans used the dried fruit in sauces and breads. — Map (db m156279) HM
263Pennsylvania (Allegheny County), Pittsburgh — McClurg Iron Foundry
Established in 1804, it was the first air foundry in Pittsburgh. During the War of 1812, it supplied cannons and ammunition, primarily destined for the fleet on Lake Erie. In 1835, the first locomotive steam engine made west of the Alleghenies was . . . — Map (db m94741) HM
264Pennsylvania (Allegheny County), Pittsburgh — Mellon Park — Historic Landmark — Pittsburgh History & Landmarks Foundation —
Former R.B. Mellon Estate 1912; Alden & Harlow, architects — Map (db m156198) HM
265Pennsylvania (Allegheny County), Pittsburgh — Mellon Square
. . . — Map (db m106420)
266Pennsylvania (Allegheny County), Pittsburgh — Merchants Savings & Trust Company — 1902-1983
"The Merchants Savings & Trust Company failed to open for business today. I.C. Swigart, State Bank Examiner, took over the bank, at 1410 Fifth Avenue, to protect depositors, he announced. While a few days ago the bank was believed able to continue . . . — Map (db m96369) HM
267Pennsylvania (Allegheny County), Pittsburgh — Mercy Hospital
Founded in 1847 by the Sisters of Mercy as Pittsburgh's first hospital. Medical internships began in 1848, and the nursing school in 1893. This was the first Mercy hospital worldwide, caring for all patients, especially the community's poor. — Map (db m42223) HM
268Pennsylvania (Allegheny County), Pittsburgh — Modern Naturalized Garden
Design in 1992 by Oehme, van Swoden & Associates, Inc., these gardens pioneer the concept of the modern naturalized garden. This natural landscape concept is now maintained by the Pittsburgh History & Landmarks Foundation. For . . . — Map (db m156282) HM
269Pennsylvania (Allegheny County), Pittsburgh — Monongahela Wharf Commercial Buildings — Historic Landmark —
Monongahela Wharf Commercial Buildings Market Street to Wood Street C. 1850 to C. 1890 — Map (db m79633) HM
270Pennsylvania (Allegheny County), Pittsburgh — Monongahela's First Lock and Dam
In 1841, a privately owned company called the Monongahela Navigation Company built the first navigation dam on the Monongahela River. This dam and Lock #1 became the first of 15 lock and dam complexes built on the Monongahela River by 1904. Lock #1 . . . — Map (db m152178) HM
271Pennsylvania (Allegheny County), Pittsburgh — Motor Square Garden — (East Liberty Market) — National Register of Historic Places —
This Property has been Placed on the National Register of Historic Places — Map (db m65137) HM
272Pennsylvania (Allegheny County), Pittsburgh — National Negro Opera Company
Here at the Cardwell School of Music, this first national Black opera company was founded in 1941 by Mary Cardwell Dawson. Noted for its musical genius, it performed for 21 years in Pittsburgh, Washington, New York, and other cities. — Map (db m47046) HM
273Pennsylvania (Allegheny County), Pittsburgh — National P.O.W.-M.I.A. Recognition Day — July 18, 1979
Was held at Point State Park Pittsburgh, Pennsylvania Citizens of Allegheny County offers daily prayers for their safe return. Dear God, we ask you in Your infinite Mercy, to safely return those still Missing in Action in Southeast . . . — Map (db m156218) WM
274Pennsylvania (Allegheny County), Pittsburgh — National Recognition Day
The Senate and House of Representatives of the United States of America enact into law July 18, 1979 National Recognition Day as the first ceremony held on this site for Ex-Prisoners of War, Those Missing in Action, and those . . . — Map (db m156275) HM WM
275Pennsylvania (Allegheny County), Pittsburgh — Nevin Row — 850 - 858 North Lincoln Avenue
Erected circa 1870 by T.H. Nevin: prominent industrialist, entrepeneur, founder of the First National Bank of Allegheny (1863) and influential in the development of the American chemical and petroleum industries. 856-858 North Lincoln Avenue . . . — Map (db m65164) HM
276Pennsylvania (Allegheny County), Pittsburgh — Ninth Street Bridge — (Rachel Carson Bridge) — Historic Landmark —
Ninth Street Bridge Department of Public Works, Allegheny County, Engineers — Map (db m47882) HM
277Pennsylvania (Allegheny County), Pittsburgh — Old Allegheny Market House
One block east of this site opposite Carnegie Library and facing Ober Park stood the Old Allegheny Market House built in 1863, the most famous market hall in the metropolitan area. It was a great square shell of brick filling an entire city block . . . — Map (db m40178) HM
278Pennsylvania (Allegheny County), Pittsburgh — Oliver Avenue
. . . — Map (db m156263) HM
279Pennsylvania (Allegheny County), Pittsburgh — On This Site — Protest Against Removing War Munitions
A mass meeting was held December 27th, 1860 to protest against removing war munitions from the Allegheny Arsenal to the south. The order was countermanded by President James Buchanan. — Map (db m66450) HM
280Pennsylvania (Allegheny County), Pittsburgh — Open Hearth Steel — River Pump House — Rivers of Steel National Heritage Area —
The cement pad beneath your feet was once the floor of the Pump House for Jones & Laughlin's No. 2 Open Hearth Shop. Pump houses were an integral part of the steelmaking process. Water, used for cooling of the metal and machinery, was pulled from . . . — Map (db m94103) HM
281Pennsylvania (Allegheny County), Pittsburgh — Original Site of the Baseball Diamond
This is the original site of the baseball diamond dedicated by J.P. "Pat" Crecine in recognition of his commitment to the life of the students of Carnegie Mellon University Dr. Crecine received his Bachelor's, Master's and Doctoral . . . — Map (db m156200) HM
282Pennsylvania (Allegheny County), Pittsburgh — Our Lady of Lourdes Grotto
Devotion to Our Lady of Lourdes In 1858 Bernadette Soubirous, a peasant girl of fourteen, reported to have witnessed apparitions of the Blessed Virgin Mary in a grotto at Lourdes, France. The figure led Bernadette to a source of a . . . — Map (db m84557) HM
283Pennsylvania (Allegheny County), Pittsburgh — P & LE Terminal — Historic Landmark — Pittsburgh History & Landmarks Foundation —
Built 1898-1901 William George Burns, Architect [Additional plaque on the left:] This Building Listed National Register of Historic Places — Map (db m156285) HM
284Pennsylvania (Allegheny County), Pittsburgh — Pat the Avenger Returns Fire — Great Railroad Strike of 1877
In The Great Strike of 1877, a labor dispute between workers and the Pennsylvania Railroad Company set off a popular uprising. The Philadelphia militia shot into an unarmed crowd on July 21st and then took shelter in the roundhouse at 26th Street. . . . — Map (db m26113) HM
285Pennsylvania (Allegheny County), Pittsburgh — Pennsylvania Canal
The loading basin and western terminus of the State-built railroad, canal, and Portage over the Alleghenies uniting eastern and western Pennsylvania was here. Built in 1826-1834. In 1857 sold to the Pennsylvania R.R. — Map (db m42182) HM
286Pennsylvania (Allegheny County), Pittsburgh — Perry's Hall
Perry Homestead Loan & Trust Company was constructed in the Classical Revival Style. Fraternal lodges and organizations were hosted on the 3rd floor; 1st floor contained a grocery store, meat market, and bicycle shop. — Map (db m99529) HM
287Pennsylvania (Allegheny County), Pittsburgh — Pittsburgh Brewing Company — Historic Landmark —
Pittsburgh Brewing Company Built 1886 Nic Kessler, Architect — Map (db m65138) HM
288Pennsylvania (Allegheny County), Pittsburgh — Pittsburgh Glass Works
First glass factory in Pittsburgh was established on this site by James O'Hara and Isaac Craig in 1797. It manufactured bottles and window glass until the 1880s. A precursor of Pittsburgh's rise as the nation's largest glass producer. — Map (db m8688) HM
289Pennsylvania (Allegheny County), Pittsburgh — Pittsburgh Grease Plant
Long a major producer of lubricating grease for industry, transportation, and the military. In WW II, supplied 5,000,000 pounds of “Eisenhower grease,” vital to the war effort. Founded here in 1885, by Grant McCargo. After 1929, part of . . . — Map (db m40903) HM
290Pennsylvania (Allegheny County), Pittsburgh — Pittsburgh Peace Tree
Welcoming home the troops of Desert Storm and all veterans. A living reminder of our hopes for a lasting peace from the grateful people of Western Pennsylvania. — Map (db m156280) WM
291Pennsylvania (Allegheny County), Pittsburgh — Pittsburgh Plate Glass Company
First commercially successful U.S. plate glass maker, founded 1883 by John Ford, John Pitcairn and others. First plant was at Creighton; office was half a block east of here on Fourth Avenue. The company became PPG Industries in 1968. — Map (db m40935) HM
292Pennsylvania (Allegheny County), Pittsburgh — Pittsburgh's Grand Hall at the Priory — (Formerly St. Mary's German Catholic Church) — Historic Landmark —
Pittsburgh's Grand Hall at the Priory (formerly St. Mary's German Catholic Church) Father John Stibiel, designer; Sidney F. Heckert, architect for vestibule 1854; vestibule 1906 — Map (db m65227) HM
293Pennsylvania (Allegheny County), Pittsburgh — Playhouse
The Playhouse was built in 1897. It was designed by the architectural firm Alden & Harlow, along with a new greenhouse next door. The Playhouse was a center of activity for the privileged Frick children. Daughter Helen played and entertained . . . — Map (db m156184) HM
294Pennsylvania (Allegheny County), Pittsburgh — Pledge of Allegiance
"I pledge allegiance to the flag of the United States of America and to the republic for which it stands, one nation under God, indivisible, with liberty and justice for all."
This Pledge of Allegiance was . . . — Map (db m156213) HM
295Pennsylvania (Allegheny County), Pittsburgh — Polish Army
At hall on this site on April 3, 1917, a speech by I. J. Paderewski to delegates at convention of the Polish Falcons began the movement to recruit a Polish army in the United States to fight in Europe with Allies for creating an independent Poland. — Map (db m49104) HM
296Pennsylvania (Allegheny County), Pittsburgh — Portal of Industry — 1857 — The Pennsylvania Railroad Mainline —
You are standing above the historic route of the Main Line of the Pennsylvania Railroad—one of the most important railroad corridors in the country. Connecting Philadelphia and Pittsburgh, the first train arrived in East Liberty in . . . — Map (db m90281) HM
297Pennsylvania (Allegheny County), Pittsburgh — Prehistoric Rivers
Three rivers draining the western slopes of the Allegheny Mountains meet at the Pittsburgh Point. The Monongahela flows from the mountains of West Virginia and the Allegheny comes down from northern Pennsylvania. Together the two rivers join to form . . . — Map (db m152155) HM
298Pennsylvania (Allegheny County), Pittsburgh — Radio Station KDKA
World's first commercial station began operating November 2, 1920, when KDKA reported Harding-Cox election returns from a makeshift studio at the East Pittsburgh Works of Westinghouse. Music, sports, talks, and special events were . . . — Map (db m40337) HM
299Pennsylvania (Allegheny County), Pittsburgh — Railings from the Brady Street Bridge
Brady St. Bridge was a through-cantilever bridge designed by Albert L. Schultz in 1896 for highway and streetcar traffic crossing the Monongahela River. It was the first city-erected bridge that was toll free. The railings were recovered by the . . . — Map (db m156281) HM
300Pennsylvania (Allegheny County), Pittsburgh — Railroad Strike of 1877
In July, unrest hit U.S. rail lines. Pennsylvania Railroad workers struck to resist wage and job cuts. Here, on July 21, militia fatally shot some 26 people. A battle followed; rail property was burned. The strike was finally broken by U.S. troops. — Map (db m40906) HM

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Nov. 17, 2020