The first Dairy Queen restaurant opened in Joliet, Illinois, US.
Source
The royal coronation of King George V and Queen Mary took place in the UK.
The United States Congress formally recognized the Pledge of Allegiance and added it to the Federal Flag Code.
English navigator Henry Hudson, his teenage son, and seven supporters set adrift aboard a tiny boat on the Hudson Bay.
The state of Florida banned thong bikinis at some state parks.
United States Naval Observatory astronomer James Christy discovered Pluto's largest moon.