1910 January 0
Population: Pittsburgh, 553,905; Allegheny County, 1,018,463.

1910 January 0
U. S. Bureau of Mines established a center in Oakland District.

1910 January 0
Annual clearings of the Pittsburgh Clearing House amounted to $2,587,325,785.

1910 January 0
New 215-bed Homeopathic Hospital opened at Center and Aiken avenues. Assessed valuation of real estate in the city rose to $745,700,000.

1910 January 0
A. W. and R. B. Mellon announced that they were providing funds for creation of Mellon Institute for Industrial Research.

1910 January 0
The Pittsburgh Courier was published for the first time.

1910 January 0
John Kowalski, marine engine maker, recorded the first flight of an airplane built in Pittsburgh when he accidentally took off in a four-cylinder plane he had devised.

1910 January 0
Because of lack of funds, the Pittsburgh Symphony Orchestra was disbanded.

1910 January 23
Three were dead and communications and streetcar service disrupted in a nine-inch snowfall.

1910 April 1
The new Henry W. Oliver Building, 25 floors high, was ready for occupancy.

1910 October 9
Soldiers and Sailors Memorial Hall was dedicated.

Courtesy of the Historical Society of Western Pennsylvania

1911 January 0
The Pittsburgh Industrial Development Commission was organized by the Chamber of Commerce for the purpose of securing diversified industries for Pittsburgh; it received contributions of $136,473 to begin work. The Jenkins Arcade was erected on Liberty Avenue.

1911 January 1
The first old age retirement plan for United States Steel employees was created with a fund of $12,000,000. of which $4,000,000 had been provided by Andrew Carnegie ten years before.

1911 January 19
The Elizabeth Steel Magee Hospital, founded by Christopher L. Magee, began operation.

1911 February 2
New St. Joseph's Hospital was opened to the public.