1871 – The Denver and Rio Grande Western Railroad Company introduced the first narrow-gauge locomotive, the Montezuma.
1878 – Actor – singer – composer George M. Cohan (Over There, The Yankee Doodle Boy, Give My Regards to Broadway, Mary’s a Grand Old Name, You’re a Grand Old Flag, Harrigan) was born in Providence, Rhode Island.
1890 – Idaho became the 43rd of the United States.
1976 – An Israeli commando unit rescued 103 hostages in a raid on Entebbe airport in Uganda. Four terrorists had hijacked an Air France airliner on its way to Paris from Tel Aviv on June 27. They released the French crew and non-Jewish passengers, while retaining 105 Jewish and Israeli hostages. Seven pro-Palestinian guerrilla hijackers, 20 Ugandan soldiers and 3 hostages were killed in the raid.
1986 – Ballet dancer Mikhail Baryshnikov became a U.S. citizen in ceremonies at Ellis Island, New York Harbor.