1918 - Woodrow Wilson delivers his Fourteen Points speech.
U.S troops engage Yaqui Indian warriors in the Battle of Bear Valley in Arizona, a minor skirmish and the last battle between the United States and American Indians. The very end of the American Indian Wars.
The keel of HMS Hermes is laid in Britain, the first purpose-designed aircraft carrier to be laid down.
1918 flu pandemic: "Spanish 'flu" (influenza) first observed in Haskell County, Kansas.
The SS Tuscania is torpedoed off the Irish coast; it is the first ship carrying American troops to Europe to be torpedoed and sunk.
Women's suffrage in the United Kingdom: Representation of the People Act gives most women over 30 the vote.
Russia switches from the Julian calendar to the Gregorian calendar; the date skips from February 1 to February 14.
Estonia, Latvia and Lithuania adopt Gregorian calendar.
WWI: Capture of Jericho by the Egyptian Expeditionary Force begins the Occupation of the Jordan Valley.
The last captive Carolina Parakeet (the last breed of parrot native to the eastern United States) dies at the Cincinnati Zoo.
Moscow becomes the capital of Soviet Russia.
The United States Congress establishes time zones and approves daylight saving time (DST goes into effect on March 31).
WWI: The giant German cannon, the 'Paris Gun' (Kaiser Wilhelm Geschütz), begins to shell Paris from 114 km (71 mi) away.
The Royal Flying Corps and the Royal Naval Air Service are merged to form the Royal Air Force.
WWI: Manfred von Richthofen, "The Red Baron", WWI's most successful fighter pilot, dies in combat at Morlancourt Ridge near the Somme River.
General Motors acquires the Chevrolet Motor Company of Delaware.
The United States Post Office Department begins the world's third regular airmail service, between New York City, Philadelphia and Washington, D.C..
The Sedition Act of 1918 is approved by the U.S. Congress.
Nova Aquila, the brightest observed since Kepler's of 1604, is discovered.
WWI: First airplane bombing raid by an American unit in France.
"Spanish 'flu" becomes pandemic. Over 30 million people die in the following 6 months.
Great Train Wreck of 1918: in Nashville, Tennessee, an inbound local train collides with an outbound express, killing 101.
Release in the United States of the film The Glorious Adventure featuring Mammy Lou who becomes one of the oldest people ever to star in a film, at a claimed age of 114.
Shooting of the Romanov family: By order of the Bolshevik Party and carried out by the Cheka, Tsar Nicholas II, his wife Alexandra Feodorovna, their children, Olga, Tatiana, Maria, Anastasia, and Alexei, and retainers are executed at the Ipatiev House in Ekaterinburg, Russia.
20,000 London policemen strike for increased pay and union recognition.
The Boston Red Sox defeat the Chicago Cubs for the 1918 World Series championship in North American baseball, their last World Series win until 2004.
Battle of Megiddo ends with the Battle of Haifa, Battle of Samakh and Capture of Tiberias.
The steamer Princess Sophia sinks on Vanderbilt Reef near Juneau, Alaska; 353 people die in the greatest maritime disaster in the Pacific Northwest.
A new Polish government is declared in Western Galicia (Eastern Europe).
Malbone Street Wreck: The worst rapid transit accident in world history occurs under the intersection of Malbone Street and Flatbush Avenue, in Brooklyn, New York City, with at least 93 dead.
Poland declares its independence from Russia.
3-day Lwów pogrom: Polish troops, volunteers and freed criminals massacre at least 320 Ukrainian Christians and Jews in Lwów in Galicia.
British military government of Palestine begins.
New voting laws in Sweden makes votes no longer dependent on taxable assets, each adult having one vote.
President Woodrow Wilson departs by ship to the Paris Peace Conference, becoming the first United States President to travel to any foreign country while holding office.
Great Poland Uprising: The Poles in Greater Poland (or Grand Duchy of Poznań) rise up against the Germans.
The Native American Church is formally founded in Oklahoma.
The Association Against the Prohibition Amendment is founded to promote repeal of Prohibition in the United States.
