This Day In History
April 20
Siege of Londonderry begins New York adopts state constitution First detective story is published Lee resigns from U.S. Army Ku Klux Act passed by Congress McKinley asks for declaration of war with Spain Curies isolate radium Militia slaughters strikers at Ludlow, Colorado Nivelle Offensive ends in failure "Mambo King" Tito Puente is born New sound process for films announced Operation Corncob is launched while Hitler celebrates his birthday Nixon announces more troop withdrawals "Fragging" on the rise in U.S. units Korean Air Lines jet forced down over Soviet Union Castro announces Mariel Boatlift Jordan scores 63 points in playoff game Columbine High School massacre A massacre at Columbine High School Danica Patrick becomes first woman to win Indy race Massive oil spill begins in Gulf of Mexico
Siege of Londonderry begins New York adopts state constitution First detective story is published Lee resigns from U.S. Army Ku Klux Act passed by Congress McKinley asks for declaration of war with Spain Curies isolate radium Militia slaughters strikers at Ludlow, Colorado Nivelle Offensive ends in failure "Mambo King" Tito Puente is born New sound process for films announced Operation Corncob is launched while Hitler celebrates his birthday Nixon announces more troop withdrawals "Fragging" on the rise in U.S. units Korean Air Lines jet forced down over Soviet Union Castro announces Mariel Boatlift Jordan scores 63 points in playoff game Columbine High School massacre A massacre at Columbine High School Danica Patrick becomes first woman to win Indy race Massive oil spill begins in Gulf of Mexico
