The Kingdom of Iceland was first established.
The people of Latvia gathered together to proclaim the Republic of Latvia as an independent nation.
Poland became an independent country.
After nearly four and a half years of cataclysmic conflict, World War I ended.
The Spanish Flu was reported to have killed 21,000 people in the US in the week ending on this date.
Stonehenge was given over to the British Government by its private landowner.
American Army Corporal Alvin York and seven men attacked a major German gun nest on their own during World War I.
The musical 'Sometime' put on its first performance at the Shubert Theatre on Broadway, New York City, US.
Fanny Kaplan, a Ukrainian Jewish Socialist Revolutionary, attempted to assassinate Vladimir Lenin.
The musical 'Yip! Yip! Yaphank!' by Irving Berlin premiered at the Century Theatre in New York City.
The ban on Sunday baseball was lifted in Washington, D.C., making it the 3rd city to do so.
The first US airmail stamps were issued, costing 24 cents.
General Motors bought the Chevrolet Motor Company of Delaware.
Nazi-German ace fighter pilot, The Red Baron, shot down his final two victims.
The US daylight saving time went into effect.
The Standard Time Act was signed into US law, introducing Daylight Saving Time.
The Spanish Flu received its first case in the US.
In the United Kingdom, women over the age of 30 were granted the right to vote.
The state of Mississippi became the first to accept the prohibition of alcohol.
