1763 Austria, Prussia & Saxony sign Treaty of Hubertusburg, marking the end of the French and Indian War and of the Seven Years War
1804 New Jersey becomes last northern state to abolish slavery
1917 SF Public Library (Main Branch at Civic center) dedicated
1965 Canada replaces Union Jack flag with Maple Leaf
2005 YouTube, the popular Internet site on which videos may be shared and viewed by others, is launched in the United States.