![Richard King Mellon, president of Mellon Bank, discussing his plan for revitalizing the city with Mayor David Lawrence in Mellon Square Park, Pittsburgh, 1955 [LIFE magazine]](http://25.media.tumblr.com/tumblr_l6amk0UDOW1qakblyo1_500.png)
Richard King Mellon, president of Mellon Bank, discussing his plan for revitalizing the city with Mayor David Lawrence in Mellon Square Park, Pittsburgh, 1955 [LIFE magazine]
![Detail of Stobo’s 1754 sketch of Fort Duquesne (via)
On This Day in Pittsburgh History: July 28, 1754
The Scotsman Robert Stobo, a friend of Governor Dinwiddie, was one of two hostages taken to Fort Duquesne after the battle at Fort Necessity. During his imprisonment he sent out letters and a sketch of the fort to the English. [Historic Pittsburgh]](http://28.media.tumblr.com/tumblr_l6am53R67q1qakblyo1_500.jpg)
Detail of Stobo’s 1754 sketch of Fort Duquesne (via)
On This Day in Pittsburgh History: July 28, 1754
The Scotsman Robert Stobo, a friend of Governor Dinwiddie, was one of two hostages taken to Fort Duquesne after the battle at Fort Necessity. During his imprisonment he sent out letters and a sketch of the fort to the English. [Historic Pittsburgh]
![On This Day in Pittsburgh History: July 27, 1946
The first Civic Light Opera season ended as a success, with total attendance of 270,000 and gate receipts at $319,121. [Historic Pittsburgh; The Pittsburgh Press]](http://25.media.tumblr.com/tumblr_l68wt3HRHI1qakblyo1_500.png)
On This Day in Pittsburgh History: July 27, 1946
The first Civic Light Opera season ended as a success, with total attendance of 270,000 and gate receipts at $319,121. [Historic Pittsburgh; The Pittsburgh Press]
![Junction Hollow, showing temporary Schenley Bridge trestle with street railway trestle in foreground, Pittsburgh, 1890s [PGH Bridges]](http://pghbridges.com/pittsburghE/0589-4477/schenleytrestle.jpg)
Junction Hollow, showing temporary Schenley Bridge trestle with street railway trestle in foreground, Pittsburgh, 1890s [PGH Bridges]
![Patriotic Bicycle, 1901. Spencer Family Photograph Collection, Archives Service Center [University of Pittsburgh Digital Archives]](http://24.media.tumblr.com/tumblr_l661fzfawe1qakblyo1_500.jpg)
Patriotic Bicycle, 1901. Spencer Family Photograph Collection, Archives Service Center [University of Pittsburgh Digital Archives]
On This Day in Pittsburgh History: July 26, 1874
One hundred and fifty people died in the “Butcher’s Run Flood,” which deluged Allegheny, Woods Run, West End, South Side, and neighboring communities. [Historic Pittsburgh]
Related: “Fatal Flood in North Side showed power of elements,” by Mark Houser for the Pittsburgh Tribune-Review, 2008.
![On This Day in Pittsburgh History: July 25, 1917
Former President Theodore Roosevelt visits Pittsburgh and delivers an address to 30,000 people. [Historic Pittsburgh; The Pittsburgh Press]](http://30.media.tumblr.com/tumblr_l637omrNlj1qakblyo1_500.png)
On This Day in Pittsburgh History: July 25, 1917
Former President Theodore Roosevelt visits Pittsburgh and delivers an address to 30,000 people. [Historic Pittsburgh; The Pittsburgh Press]
On This Day in Pittsburgh History: July 24, 1952
At the White House, President Truman, flanked by Philip Murray and Benjamin F. Fairless, announced settlement of the 53-day steel strike. [Historic Pittsburgh]
From The 1952 Steel Strike [Wikipedia]:
The 1952 steel strike was a strike by the United Steelworkers of America against U.S. Steel and nine other steelmakers. The strike was scheduled to begin on April 9, 1952, but President Harry S. Truman nationalized the American steel industry hours before the workers walked out. The steel companies sued to regain control of their facilities. On June 2, 1952, in a landmark decision, the United States Supreme Courtruled in Youngstown Sheet & Tube Co. v. Sawyer, 343 U.S. 579 (1952), that the president lacked the authority to seize the steel mills. The Steelworkers struck to win a wage increase. The strike lasted 53 days, and ended on July 24, 1952, on essentially the same terms the union had proposed four months earlier.
![Class picture of students at the Phillipston school, Brady Township, Clarion County, 1895 [Life in Western Pennsylvania]](http://www.lifeinwesternpa.org/images/JL/GPC-B23-F41.JL.JPG)
Class picture of students at the Phillipston school, Brady Township, Clarion County, 1895 [Life in Western Pennsylvania]
![On This Day in Pittsburgh History: July 23, 1931
Fire destroys the Little Sisters of the Poor Home at Penn Avenue and South Aiken. Forty-two people are killed and 157 are injured. [Historic Pittsburgh; The Pittsburgh Press]](http://24.media.tumblr.com/tumblr_l60umi2cuS1qakblyo1_500.png)
On This Day in Pittsburgh History: July 23, 1931
Fire destroys the Little Sisters of the Poor Home at Penn Avenue and South Aiken. Forty-two people are killed and 157 are injured. [Historic Pittsburgh; The Pittsburgh Press]
The Rolling Stones perform in Pittsburgh, 1972 (via)
On This Day in Pittsburgh History: July 22, 1972
The Rolling Stones perform at the Civic Arena in Pittsburgh.
