November 3, 1917

Thomas Enright, KIA

North Side native Thomas F. Enright is the first American killed in action in WWI during a German trench raid near Bathelémont, France.

August 30, 1837

Balloon Ascension

Richard Clayton ascends before a crowd of 3000 astonished Alleghenians and travels 60 miles to Johnstown in a gas balloon.

April 13, 1840

3rd Class City Incorporation

Allegheny is incorporated as a third-class city with a population of 10,989.

July 17, 1890

Golden Jubilee

The city of Allegheny celebrates its Golden Jubilee.

February 13, 1890

Carnegie Library Opens

The Carnegie Library in Allegheny, the first Carnegie Free Library, is opened to the public after being dedicated by President Benjamin Harrison.

July 7, 1840

First Mayor

William Robinson is inaugurated as first mayor of Allegheny City.

July 31, 1842

Cotton Factory Riots

A strike is followed by riots in six cotton factories in Allegheny.

April 12, 1845

Roebling’s Aqueduct Opens

December 26, 1879

Albert Parsons Nominated

The Second National Convention of the Socialistic Labor Party is held in Allegheny City. The twenty-five assembled delegates nominate Albert Parsons, who declines, (as he is younger than the Constitution requires.) Parsons is later hanged for his involvement in The

March 4, 1907

Union Bridge closes

The historic old Union Bridge, built about 1835 over the Allegheny River at the Point, was closed to traffic, and dismantling of it began.

November 18, 1907

Supremes OK Annexation

The United States Supreme Court upholds the constitutionality of the Guthrie-Watson Greater Pittsburgh bill – that will merge Allegheny City with Pittsburgh.

December 7, 1907

Annexed by Pittsburgh

Pittsburgh officially annexes Allegheny City, becoming a city of 521,000, the sixth largest in the nation. Allegheny City, the 3rd largest city in Pennsylvania, ceases to exist.