Today in history:
On Sept. 14, 1901, President William McKinley died in Buffalo, New York, of gunshot wounds inflicted by an assassin eight days prior; Vice President Theodore Roosevelt succeeded him, becoming the youngest-ever U.S. president at age 42.
Today in History: September 14, Roosevelt becomes youngest U.S. president
1861: First Civil War naval battle 1982: Princess Grace of Monaco dies 1994: Baseball strike ends season

I did not know that