June 28, 1914,

1. June 28, 1914, • he assassination of Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, on 28 June 1914, set in train a series of diplomatic events that led inexorably to the outbreak of war in Europe at the end of July 1914.

2. Sinking of the luitania RMS Lusitania was a British ocean liner, holder of the Blue Riband and briefly the world's biggest ship. She was launched by the Cunard Line in 1907, at a time of fierce competition for the North Atlantic trade.

3. Service act • With popular and mainstream political opposition to mandatory military service, Britain was the sole major European power not to have in place a policy of conscription when war began in August 1914. • Winston Churchill was an early advocate of introducing a form of conscription in 1914 but it wasn't until January 1916 that the British government introduced the first of a series of Military Service Acts which set out call-up regulation

4. Between 1914 and the spring of 1917, the European nations engaged in a conflict that became known as World War I. While armies moved across the face of Europe, the United States remained neutral. In 1916 Woodrow Wilson was elected President for a second term, largely because of the slogan "He kept us out of war." Events in early 1917 would change that hope. In frustration over the effective British naval blockade, in February Germany broke its pledge to limit submarine warfare. In response to the breaking of the Sussex pledge, the United States severed diplomatic relations with Germany.

5. The Second Battle of Ypres comprised the only major attack launched by the German forces on the Western Front in 1915, Eric von Falkenhayn preferring to concentrate German efforts against the Russians on the Eastern Front.

6. The Battle of the Argonne Forest was part of the Meuse-Argonne Offensive planned by General Ferdinand Foch. The offensive called for a three-pronged attack on the Germans at the Western Front. While the BEF and the French Army would attack the German lines at Flanders, the British forces would take on the German troops at Cambrai and the AEF, supported by the French Army, were to fight the German troops at the Argonne Forest.

7. An act in addition to the act intituled, "An act for the punishment of certain crimes against the United States

8. On this day in 1917, some two months after America's formal entrance into World War I against Germany, the United States Congress passes the Espionage Act. • Enforced largely by A. Mitchell Palmer, the United States attorney general under President Woodrow Wilson, the Espionage Act essentially made it a crime for any person to convey information intended to interfere with the U.S. armed forces prosecution of the war effort or to promote the success of the country's enemies. Anyone found guilty of such acts would be subject to a fine of $10,000 and a prison sentence of 20 year

9. Woodrow Wilson's Fourteen Points were first outlined in a speech Wilson gave to the American Congress in January 1918. Wilson's Fourteen Points became the basis for a peace programme and it was on the back of the Fourteen Points that Germany and her allies agreed to an armistice in November 1918.

10. This article is about the Treaty of Versailles of 28 June 1919, at the end of World War I. For other uses, see Treaty of Versailles (disambiguation).Treaty of VersaillesTreaty of Peace between the Allied and Associated Powers and GermanyCover of the English versionSigned28 June 1919LocationPalace of Versailles, Versailles, FranceEffective10 January 1920ConditionRatification by Germany and three Principal Allied Powers.SignatoriesCentral Powers German ReichAllied Powers France British Empire Italy Japan United