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Austria-Hungary formally annexes Bosnia.
The majority of the population of Bosnia was ethnically Serbian, but one of the countries that was created was the kingdom of Serbia. That outrages Serbia because Serbia wanted to create a nation-sates of Serbians. Serbia was allied with Russia because Russia was trying to exert its influence in the Balkan region. -
Austria-Hungary formally annexes Bosnia
The majority of the population of Bosnia was ethnically Serbian, but one of the countries that was created was the kingdom of Serbia. That outrages Serbia because Serbia wanted to create a nation-sates of Serbians. Serbia was allied with Russia because Russia was trying to exert its influence in the Balkan region. -
Assassination of Francis Ferdinand
Heir of Austro-Hungarian empire, Francis Ferdinand is assassinated by Gavrilo Princip, a member of the Black Hand. The black hand was a Serbian nationalist/terrorist organization that wanted to unit all of the territories with a South Slavic majority not ruled by either Serbia or Montenegro -
Austrian Ultimatum
Serbia must denounce activities of Bosnian Serbs, refrain from publishing nationalist propaganda, and allow Austrian officials to prosecute members of the Serbia government. -
Austria declares war on Serbia
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
Germany declares war on Russia, while France and Belgium begin full mobilization. -
Germany declares war on France
Germany declares war on France, and invades neutral Belgium. Britain then sends an ultimatum, rejected by the Germans, to withdraw from Belgium. -
Britian declares war on Germany
Belgium's ports were close to the British coast and German control of Belgium would have been seen as a serious threat to Britain. Britain refused to ignore the events of 4 August 1914, when Germany attacked France through Belgium. Within hours, Britain declared war on Germany. -
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Battle of Somme
Also known as the Somme Offensive, it was a battle of the First World War fought by the armies of the British and French empires against the German Empire. It took place between 1 July and 18 November 1916 on both sides of the upper reaches of the River Somme in France. The battle was intended to hasten a victory for the Allies and was the largest battle of the First World War on the Western Front. -
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Battle of Verdun
The battle of Verdun was the largest and longest battle of the First World War on the Western Front between the German and French armies. The battle took place on the hills north of Verdun-sur-Meuse in north-eastern France. -
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February Revolutions
On March 8, 1917, Russia's February Revolution began with rioting and strikes in St. Petersburg. The unrest was cause by food shortages in the city, which were caused by the bigger problem, the collapse of the economy. -
America enters WW1
the U.S. joined its allie Britain, France, and Russi, to fight in World War I. Under the command of Major General John J. Pershing, more than 2 million U.S. soldiers fought on battlefields in France. Many Americans were not in favor of the U.S. entering the war and wanted to remain neutral. -
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October Revolutions
On November 6 and 7, 1917 (or October 24 and 25 on the Julian calendar, which is why the event is referred to as the October Revolution), leftist revolutionaries led by Bolshevik Party leader Vladimir Lenin launched a nearly bloodless coup d'état against the Duma's provisional government. -
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Collapse of Ottoman Empire
The period of the defeat and end of the Ottoman Empire began with the Second Constitutional Era with the Young Turk Revolution. It restored the Ottoman constitution of 1876 and brought in multi-party politics with a two-stage electoral system under the Ottoman parliament. -
Treaty of Versaille
The Treaty of Versaille was the most important of the peace treaties that brought World War I to an end. The Treaty ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1919 in Versailles, five years after the assassination of Archduke Franz Ferdinand. -
Stalin comes to power in Russia
Lenin dies and Stalin comes to power in Russia. He begins to remake the russian economy with his 5 year plan, consisting of bulding railroads, tanks, and steel. -
Hitler milaterizes the Rhinelands
In May 1935 France signed a treaty of friendship and mutual support with the USSR. Germany claimed the treaty was hostile to them and Hitler used this as an excuse to send German troops into the Rhineland in March 1936, contrary to the terms of the treaties of Versailles. -
The Great Terror
To suppress revolution, Stalin kills anyone he suspected to be against his power. He killed over 1 million people, including military generals, where 35000 to 41000 generals were killed. -
Germany unifies with Austria
On March 12, 1938, German troops march into Austria to annex the German-speaking nation for the Third Reich. In early 1938, Austrian Nazis conspired for the second time in four years to seize the Austrian government by force and unite their nation with Nazi Germany. -
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Germany annexes Sudetenland
The Sudetenland was relegated to Germany between 1 October and 10 October 1938. The Czech part of Czechoslovakia was subsequently invaded by Germany in March 1939, with a portion being annexed and the remainder turned into the Protectorate of Bohemia and Moravia. -
Hitler invades Poland
The German-Soviet Pact of August 1939, which stated that Poland was to be partitioned between the two powers, enabled Germany to attack Poland without the fear of Soviet intervention. On September 1, 1939, Germany invaded Poland. The Polish army was defeated within weeks of the invasion. -
France surrenders to Germany
the French government signed an armistice with Nazi Germany just six weeks after the Nazis launched their invasion of Western Europe. -
Marshall Plan
President Harry Truman signed the Marshall Plan on April 3, 1948, granting $5 billion in aid to 16 European nations, helping them recover from the war. -
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Berlin Airlift
The Berlin Airlift was one of the first major international crises of the Cold War. During the multinational occupation of post–World War II Germany, the Soviet Union blocked the Western Allies' railway, road, and canal access to the sectors of Berlin under Western control. The Soviets offered to drop the blockade if the Western Allies withdrew the newly introduced Deutsche mark from West Berlin. -
Creation of NATO
In 1949, the prospect of further Communist expansion prompted the United States and 11 other Western nations to form the North Atlantic Treaty Organization (NATO). The Soviet Union and its affiliated Communist nations in Eastern Europe founded a rival alliance, the Warsaw Pact, in 1955. -
Soviets create atomic weapon
On August 29, 1949, the Soviet Union exploded its first atomic bomb. It came as a great shock to the United States because they were not expecting the Soviet Union to possess nuclear weapon knowledge so soon. It hightened the severness of the war because now bth sides had atomic weapons. -
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Korean War
The Korean war was a war between North Korea (with the support of China and the Soviet Union) and South Korea (with the principal support of the United States). The war began on 25 June 1950 when North Korea invaded South Korea following a series of clashes along the border. The United Nations, with the United States as the principal force, came to the aid of South Korea. China came to the aid of North Korea, and the Soviet Union also gave some assistance to the North. -
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Geneva Accords
On Indochina, the conference produced a set of documents known as the Geneva Accords. These agreements temporarily separated Vietnam into two zones, a northern zone to be governed by the Việt Minh, and a southern zone to be governed by the State of Vietnam, then headed by former emperor Bảo Đại. -
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6 days war
The Egyptian, Syrian and Jordanian armies were decisively defeated, and Israel captured the West Bank from Jordan, the Gaza Strip and the Sinai Peninsula from Egypt, and the Golan Heights from Syria. The 1967 war, which lasted only six days, established Israel as the dominant regional military power -
Fall of the Berlin Wall
On November 9, 1989, as the Cold War began to thaw across Eastern Europe, the spokesman for East Berlin's Communist Party announced a change in his city's relations with the West. Starting at midnight that day, he said, citizens of the GDR were free to cross the country's borders. -
Collapse of Soviet Union
In December of 1991, as the world watched in amazement, the Soviet Union disintegrated into fifteen separate countries. Its collapse was hailed by the west as a victory for freedom, a triumph of democracy over totalitarianism, and evidence of the superiority of capitalism over socialism. -
Terror attacks in Paris
The November 2015 Paris attacks were a series of coordinated terrorist attacks that occurred on Friday 13 November 2015 in Paris, France and the city's northern suburb, Saint-Denis.Three suicide bombers struck outside the Stade de France in Saint-Denis, during a football match. This was followed by several mass shootings, and a suicide bombing, at cafés and restaurants.