On This Day: April 23
1864 - (Civil War) Battle of Monett's Ferry, Louisiana
Near the end of the Red River Expedition, the 23rd and 29th Wisconsin Infantry regiments helped Union troops evade capture at Monett's Ferry, Louisiana.
1934 - FBI rousts Dillinger from Little Bohemia Lodge
On this day the FBI raided the Little Bohemia Lodge in Manitowish Waters, Vilas Co. They had been tipped off that gangster John Dillinger was hiding at Little Bohemia, but during their raid an innocent Civilian Conservation Corps worker was killed and Dillinger escaped.
1940 - Herman R. C. Anthony Patents the "Leak Proof" Battery
On this date Ray-o-Vac engineer Herman Anthony patented the "leak proof" battery. Patent No. 2,198,423 incorporated a better grade of manganese into the battery and encased the entire cell in a steel jacket. The invention resulted in a leakless battery, and increased battery life and sales for the company based in Madison. [Source: Today in Science]
1954 - Aaron Hits First Big League Home Run
On this date Hank Aaron, playing for the Milwaukee Braves, hit his first major league home run. Twenty years later he broke Babe Ruth's career home run record of 714. Aaron ended his career with 755 home runs, a record that stood until 2007. [Source: Sporting News]
1990 - Partially victorious, ROTC protestors end sit-in
On this day protesters ended a six day sit-in outside University of Wisconsin Chancellor Donna Shalala's office. The sit-in began with more than 30 demonstrators protesting that the Reserve Officer Training Corps programs on campus excluded people based on their sexual preference, a violation of UW and state law. The University agreed to distribute a two-page letter outlining the issue to all incoming freshman, as well as discussing it at new student orientation and in the student handbook. [Source: Capital Times, 4/23/1990]