On this day in 1922 , Britain, France, Japan, Italy and the United States signed the Washington Naval Treaty to avoid a naval arms race.
On this day in 1952 , Elizabeth II ascended to the thrones of the United Kingdom, Canada, Australia, New Zealand and three other Commonwealth countries upon the death of her father, George VI.
On this day in 2000, Russia captured Grozny, the capital of Chechnya, forcing the separatist Chechen government into exile.