Edmond Halley was given the senior post as the second Astronomer Royal at Greenwich Observatory.
Source
The first US fire extinguisher patent was granted to Alanson Crane, Virginia.
The HMS Dreadnought battleship was christened.
Glenn Miller's 'In the Mood' hit number one on this day and stayed there for 12 weeks.
Hitler gave his first speech as Chancellor explaining why Nazi power should rule.
President Eisenhower stepped in to warn the US not to intervene in Vietnam.