534: Second and final revision of the Justinian Code is published, a codified set of imperial and classical laws initially begun in 528

1532: Spanish conquistador Francisco Pizarro captures Inca Emperor Atahualpa after a surprise ambush at Cajamarca in the Peruvian Andes

1945: Founding of the United Nations Educational, Scientific and Cultural Organization (UNESCO)

1960: US Marshals escort four six-year-old African American girls to previously all-white public schools in New Orleans in response to death threats against the girls and race riots

Source: Onthisday.com