1409 - The University of Leipzig opens.
1929 - First skull of Peking man found, 50 km out of Peking at Tsjoe Koe Tien, named 'Sinanthropus pekinensis' (now known as 'Homo erectus')
1970 - United States Environmental Protection Agency begins operations.
1971 - Abu Dhabi, Ajman, Fujairah, Sharjah, Dubai and Umm Al Quwain form the United Arab Emirates.
International Day for the Abolition of Slavery
