In 1836, Col. William Travis issued a call for help on behalf of the Texian troops defending the Alamo in San Antonio.
In 1868, the U.S. House of Representatives voted to impeach President Andrew Johnson.
In 1942, anti-aircraft guns were fired at the night skies due to erroneous reports of Japanese aircraft over Los Angeles.
In 2022, Russia began a full-scale invasion of Ukraine.