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Archduke of Austria and his wife Sophie are assassinated
June 28, 1914 Historical Events. Franz Ferdinand, Archduke of Austria and his wife Sophie are assassinated in Sarajevo by young Serbian nationalist Gavrilo Princip, the casus belli of World War I. -
Outbreak of World War I.
he murder of Archduke Franz Ferdinand outraged Austria-Hungary. Austria-Hungary was furious and, with Germany's support, declared war on Serbia on July 28. Within days, Germany declared war on Russia—Serbia's ally—and invaded France via Belgium, which then caused Britain to declare war on Germany. -
Austria-Hungary declares war on Serbia
On July 28, 1914, one month to the day after Archduke Franz Ferdinand of Austria and his wife were killed by a Serbian nationalist in Sarajevo, Austria-Hungary declares war on Serbia, effectively beginning the First World War. -
Germany declares war on Russia
August 1, 1914 - Germany declares war on Russia. France and Belgium begin full mobilization. August 3, 1914 - Germany declares war on France, and invades neutral Belgium. Britain then sends an ultimatum, rejected by the Germans, to withdraw from Belgium. -
Great Britain declares war on Germany.
Great Britain declares war on Germany. The declaration is binding on all Dominions within the British Empire including Canada, Australia, New Zealand, India and South Africa. August 4, 1914 - The United States declares its neutrality. -
Battle of Mulhouse
Battle of Mulhouse – Soldiers from the German Seventh Army recaptured Mulhouse, forcing French troops to retreat to nearby Belfort, France. -
Sinking of the lusitania
On the afternoon of May 7, 1915, the German submarine U-20 torpedoed and sank the British cruise liner Lusitania traveling from New York to Liverpool, England. In a scant 18 minutes, the luxury liner with nearly 2,000 passengers sunk to the bottom of the Atlantic Ocean off the coast of Ireland. -
First World War
At 7:12 a.m. on the morning of February 21, 1916, a shot from a German Krupp 38-centimeter long-barreled gun—one of over 1,200 such weapons set to bombard French forces along a 20-kilometer front stretching across the Meuse River—strikes a cathedral in Verdun, France, beginning the Battle of Verdun, which would stretch -
Senussi Campaign
Senussi Campaign — A British column dispatched to capture Senussi rebel leader Sayed Ahmed arrived at the Siwa Oasis in North Africa where they were met with resistance from 1,250 tribesmen sent to protect Ahmed. -
United States formally declared war against Germany
On April 6, 1917, the United States formally declared war against Germany and entered the conflict in Europe. Fighting since the summer of 1914, Britain, France, and Russia welcomed news that American troops and supplies would be directed toward the Allied war effort. -
The Selective Service Act passes the U.S. Congress, giving the President the power of conscription
Louis, Illinois and attacked African-American residents after weeks of escalating tensions for competing jobs in the St. Louis area. Illinois Governor Frank Orren Lowden ordered the National Guard into the city to quell the rioting. Three tornadoes in Alabama killed eight people. -
Scottish forces led by Robert the Bruce won over Edward II
The first American troops land in France. ... July 31, 1917 - The British attempt once more to break through the German lines, this time by attacking positions east of Ypres, Belgium. However, by now the Germans have vastly improved their trench defenses including well-positioned artillery. -
The Fourteen Points
U.S. President Woodrow Wilson
The Fourteen Points was a statement of principles for peace that was to be used for peace negotiations in order to end World War I. The principles were outlined in a January 8, 1918, speech on war aims and peace terms to the United States Congress by President Woodrow Wilson. -
Russia signs a treaty with the Central Powers
On March 3, 1918, in the city of Brest-Litovsk, located in modern-day Belarus near the Polish border, Russia signs a treaty with the Central Powers ending its participation in World War I. ... Negotiations began at Brest-Litovsk on December 22. -
Troops of the U.S. 1st Infantry Division
Troops of the U.S. 1st Infantry Division capture the village of Cantigny from the Germans and hold it. ... During the three-week fight against the Germans, Americans experience their first significant battlefield casualties with 5,000 killed. -
Veterans Day
Veterans Day. The Allied powers signed a ceasefire agreement with Germany at Rethondes, France, at 11:00 a.m. on November 11, 1918, bringing the war now known as World War I to a close. ... Between the world wars, November 11 was commemorated as Armistice Day in the United States, Great Britain, and France. -
The National Council of Georgia
The National Council of Georgia was dissolved for the first free elections in the Democratic Republic of Georgia, which also included women participating for the first time in national voting. -
Signed the Treaty of Versailles
On June 28, 1919, Germany and the Allied Nations (including Britain, France, Italy and Russia) signed the Treaty of Versailles, formally ending the war. (Versailles is a city in France, 10 miles outside of Paris.) -
Covenant of the League of Nations
On January 10, 1920, the League of Nations formally comes into being when the Covenant of the League of Nations, ratified by 42 nations in 1919, takes effect. In 1914, a political assassination in Sarajevo set off a chain of events that led to the outbreak of the most costly war ever fought to that date. -
Rejected U.S. entry into the League of Nations.
The United States Senate failed to ratify the Treaty of Versailles, a move which rejected U.S. entry into the League of Nations. -
Hungarian Peace Treaty
The U.S.–Hungarian Peace Treaty is a peace treaty between the United States and the Kingdom of Hungary, signed in Budapest on August 29, 1921, in the aftermath of the First World War.
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U.S.–Hungarian Peace Treaty (1921)
