1707: The Act of Union joins the Kingdom of England and Scotland to form the Kingdom of Great Britain.
1786: In Vienna, Austria, Mozart's opera The Marriage of Figaro is performed for the first time.
1885: Electric lighting used for the first time to illuminate city streets in Ottawa.
1896: Nova Scotia's Charles Tupper becomes Canada's sixth Prime Minister as Mackenzie Bowell resigns.
1909: Ontario goes dry, as the temperance movement wins prohibition of alcoholic beverages.
1912: The Dominion of Canada issues first $5 bill, replacing the $4 one.
1930: The dwarf planet Pluto is officially named.
1935: Royal Canadian Mint circulates Canada's first silver dollar, for the silver jubilee of George V.
2011: Al-Qaeda leader Osama bin Laden is killed by U.S. Navy SEALS.