Portal:Pittsburgh/On this day/May 22

• (1845) Mary Cassatt is born.
• (1861) Thornsbury Brown is shot at Grafton as the 1^st Union Civil War casualty as local militia respond.
• (1923) Ketchum is founded.
• (1924) 7 police inspectors & 3 fire captains are demoted in the biggest City Hall shake-up in a generation.
• (1937) US Steel brakes ground for the $1.07 billion^ia, 4,000 worker Irvin Mill at W. Mifflin.
• (1942) The USW is founded.
• (1943) USS LST-32 is launched at Neville Island.
• (1955) Heidelberg beats Chicago in game 1 of the National Final.

• (1965) President Park closes his 2 day visit with a tour of the Aliquippa J&L Steel mill.
• (1968) City investors buy the William Penn for $49.7 million^ia.
• (1968) Willie Stargell hits his 2^nd & the NL's 90^th 3 homer game along with a double & a single to go 5-5 as the last place Pirates win at Chicago 13-6. A 4^th hits the left field railing barely missing homer status.
• (1971) Bob Barker crowns Michele McDonald as Miss USA, the 1^st High School student & 1st redhead.
• (1977) Pirates stars Dave Parker hits a grand slam as Omar Moreno & Al Oliver also homer v the Dodgers at Three Rivers.
• (1980) PennDOT announces a $26.1 million^ia I-376 reconstruction.
• (1981) Science reports on Pitt professor & NRC Biological Effects of Radiation head, Dr. Ed Radford's dissent of "underestimating" health reports.
• (1987) The $1.17 billion^ia subway/light rail is completed to the south suburbs.
• (1988) 123 year old Northside 1^st Presbyterian is destroyed by fire.
• (1994) Carnegie Library approves moving the downtown branch from Steel Plaza to a Point Park University Wood St. building.
• (2000) WPIC's building is officially dedicated for Thomas Detre.
• (2002) The Pentagon buys Stars & Stripes at the US Steel Tower.
• (2007) The Mary Cassatt garden is started on the Northside.
• (2013) Anthony Weiner's mayoral website's Pittsburgh skyline is mocked on Twitter.
• (2014) Idlewild opens for the 1^st time in 25 years without Mr. Rogers Neighborhood.