Births on April 25

Maud Hart Lovelace, American author (d. 1980)

Maud Hart Lovelace (April 25, 1892 – March 11, 1980) was an American author best known for the Betsy-Tacy series.

28 May

Sierra Club
In San Francisco, John Muir organizes the Sierra Club.
6 Jul

Homestead Strike
Three thousand eight hundred striking steelworkers engage in a day-long battle with Pinkerton agents during the Homestead Strike, leaving ten dead and dozens wounded.
7 Jul

Philippine Revolution
The Katipunan is established, the discovery of which by Spanish authorities initiated the Philippine Revolution.
8 Jul

Great Fire of 1892
St. John's, Newfoundland is devastated in the Great Fire of 1892.
9 Aug

Telegraphy
Thomas Edison receives a patent for a two-way telegraph.