1900

Two days into the new year, The U.S. Secretary of State John Hay announced the Open Door Policy regarding China, advocating for equal access for all nations to the Chinese market.

An ongoing Boxer Rebellion in China escalates with multiple attacks by the Boxers on Chinese and European civilians, killing hundreds, the rebellion would progress with the Russian Empire's invasion of Manchuria and the Battle of Peking (1900).

Four main scientific discoveries were achieved in the year 1900: Giacomo Puccini's opera Tosca premiers, one of the most frequently performed operas worldwide, a melodramatic piece set in Rome in June 1800, with the Kingdom of Naples's control of Rome threatened by Napoleon's invasion of Italy.

This formally ended U.S. claims to the Samoan Islands, U.S.-UK Treaty for a Central American Canal would be signed on February 5.

Friedereich Nietsche would die on 25 August 1900, a German philosopher and one of the most influential modern thinkers.