On this day in History - June 22

Everyone knows this already, but - 813 – Battle of Versinikia: The Bulgars led by Krum defeat the Byzantine army near Edirne. Emperor Michael I is forced to abdicate in favor of Leo V the Armenian.

1633 – The Holy Office in Rome forces Galileo Galilei to recant his view that the Sun, not the Earth, is the center of the Universe in the form he presented it in, after heated controversy.

1813 – War of 1812: After learning of American plans for a surprise attack on Beaver Dams in Ontario, Laura Secord sets out on a thirty kilometres (19 mi) journey on foot to warn Lieutenant James FitzGibbon.

1941 – World War II: Nazi Germany invades the Soviet Union in Operation Barbarossa.

2007 – The small town of Elie, Manitoba is hit by Canada's most intense tornado on record.