1806 – Pike expedition: United States Army Lieutenant Zebulon Pike begins an expedition from Fort Bellefontaine near St. Louis to explore the west.
1815 – Napoleon Bonaparte surrenders aboard HMS Bellerophon.
1870 – Georgia becomes the last of the former Confederate states to be readmitted to the Union.
1959 – The steel strike of 1959 begins, leading to significant importation of foreign steel for the first time in United States history.
1979 – President Jimmy Carter gives his “malaise speech.”
2006 – Twitter is launched, becoming one of the largest social media platforms in the world.