1138 – Lý Anh Tông was enthroned as emperor of Đại Việt at the age of two, starting a 37-year reign.
1828 – Greek War of Independence: The French Morea expedition to recapture Morea (now the Peloponnese) ended when the last Ottoman forces departed the peninsula.
1943 – World War II: An unknown aircraft dropped four bombs on Vatican City, which maintained neutrality during the war.
1967 – A train derailed near Hither Green maintenance depot in London, killing 49 people and injuring 78 others.
2007 – Led by Google, 34 companies established the Open Handset Alliance to develop open standards for mobile devices, leading to the development of the Android operating system (logo pictured).