Wikipedia:Selected anniversaries/November 16
- 1532 – Spanish conquest of Peru: Conquistador Francisco Pizarro orchestrated a surprise attack (depiction shown) in Cajamarca, capturing the Inca emperor, Atahualpa.
- 1920 – Qantas, Australia's national airline, was founded as Queensland and Northern Territory Aerial Services Limited.
- 1944 – World War II: Operation Queen commenced with one of the heaviest Allied tactical bombings of the war, attacking German targets in the Rur valley.
- 1974 – The Arecibo message, devised by Frank Drake and Carl Sagan, was transmitted towards the globular star cluster M13, carrying basic information about humanity.