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historicalmarkerproject/markers/HMT4R_united-steelworkers-of-america_Pittsburgh-PA.html
In the Grant Building here on June 17, 1936, the Steel Workers Organizing Committee was founded. Renamed in 1942, the USWA became one of the world's largest unions, embracing over a million workers. Philip Murray was its first president.
historicalmarkerproject/markers/HMT4P_kier-refinery_Pittsburgh-PA.html
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.
historicalmarkerproject/markers/HMSBK_mercy-hospital_Pittsburgh-PA.html
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.
historicalmarkerproject/markers/HMSBJ_martha-graham_Pittsburgh-PA.html
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 "Frontier" an…
historicalmarkerproject/markers/HMSBI_john-a-roebling_Pittsburgh-PA.html
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.
historicalmarkerproject/markers/HMSBG_allegheny-observatory_Pittsburgh-PA.html
Part of the University of Pittsburgh. Chartered 1860; located here since 1912. At the original site nearby, Professor Samuel P. Langley conducted experiments that would lead to the first sustained, mechanically powered flight in 1896.
historicalmarkerproject/markers/HMSAF_pennsylvania-canal_Pittsburgh-PA.html
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 Railroad.
historicalmarkerproject/markers/HMSAE_lewis-and-clark-expedition_Pittsburgh-PA.html
On August 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 expansion.
historicalmarkerproject/markers/HMS6E_martin-r-delany_Pittsburgh-PA.html
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.
historicalmarkerproject/markers/HMS6D_john-scull_Pittsburgh-PA.html
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 pri…