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The heir apparent to the throne, Archduke Franz Ferdinad, and his wife were shot dead in Sarajevo. The political objective to this assisination was too break off Austria-Hungary's south Slav provinces.
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Kaiser William II promised German support for Austria against Serbia
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Germany invaded Belgium and declared War on France. Germany had to implement the Schlieffen Plan.
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The United Kingdom declared war on Germany, following an "unsatisfactory reply" to the British ultimatum that Belgium must be kept neutral.
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Austria declares war on Serbia which effectively begins the First World War.
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Poison gas is used for the first time by Germans in attack on the Canadian Sector. This begins the Second Battle of Ypres.
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The British Secretary of State for War, Field Marshal Lord Kitchner, asks for American militairy participation in Europe.
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British forces surrender to Turkish forces at Kurt in Mesopotamia.
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President Woodrow Wilson delivers war address to Congress at 8:32 p.m. and asks the House of Represenatives to declar war on Germany.
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German forces finish their withdrawal to the Hindenburg Line.
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United States comes out of neutrality and declares war on Germany. This enters the first World War.
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Canadian troops take Vimy Ridge and the surrounding area in one of Canada's finest battles of the war.
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Communists begin a revolt in Berlin.
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The campaign against the League of Nations starts in the US.
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The peace Treaty of St Germain-en-Laye is signed between the Allies and Austria.
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The League of Nations holds its first meeting and accomplishes the ratification of the Treaty of Versailles. This ended the hostilities of the First World War.
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The Prohibition Amendment (The 18th Amendment) goes into effect at midnight. Even though the law is challenged in some states, the Supreme Court later declares the law, valid.
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Women are given the right to vote when the 19th amendment grants universal woman suffrage.
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Station KDKA in Pittsburgh, Pennsylvania initiates the first regular radio broadcast.
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Albert Einstein lectures in New York about his theory of relativity.
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Margaret Sanger forms the American Birth Control League at the First American Birth Control Conference in New York city.
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First airplane lands at the U.S Capitol in Washington, D.C.
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The Teapot Dome scandal begins when the U.S secretary of the Interior leases the Teapot Oil Reserves in Wyoming.
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President Harding dies in office after becoming ill after his Alaska trip. Vice President, Calvin Coolidge succeeds him. Coolidge would oppose the league of Nations but approve the World Court.
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All Indians born in the United States are designated citizens by legislation passed in the U.S congress and signed by President Calvin Collidge called the Indian Citizenship Act.
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In Wyoming, Nellie Tayloe Ross is inagurated as the first woman governor of the United States.
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The first flight to the North Pole and back occurs with pilot, Floyd Bennett and with his navigator, Richard Evelyn Byrd. They guided a three engine monoplane and were rewarded the Medal of Honor.
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From New York to Paris, Charles Lindenbergh flies The Spirit of St. Louis traveling 3600 miles in 33 hours and a half hours.
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The two year old, St. Francis Dam gives way, killing over 500 people. The dam is part of the water system designed by William Mulholland.
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Enforcement of the Immigration Act of 1924 begins.
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Clyde Tombaugh, an American Astronomer, discovers the planet Pluto at the Lowell Observatory in Flagstaff, Arizona.
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WEAF in New York City carries first opera broadcast directly from a stage in Europe.
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The London Naval Reduction Treaty is signed by the U.S, Great Britain, Italy, France, and Japan. It would take effect on January the first in 1931.
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Francis Scott Keys "Star Spangled Banner", is approved by the Congress and President Hoover as the national anthem.
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The state of Nevada legalizes gambling.
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The Empire State building's construction is completed in New York City and is open for business.
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The highest continuous paved road in the United States, the Trail Ridge Road in Rocky Mountain National Park, Colorado, is opened to traffic.
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In South Dakota, a strong dust storm strips topsoil from depression era farms.
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The 21st Amendment is passed. This ended prohibition.
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The Securities Exchange Act law is put into place when President Franklin D. Roosevelt signs it.
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The greatest hitter in the history of baseball, Babe Ruth, retires from Major League Baseball.
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Opera, Porgy and Bess, by George Gershwin, opens in New York City.
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The Appalachian Trail, extending two thousand miles from Mount Katahdin, Maine to Springer Mountain, Georgia is completed.
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The Naval expansion act passed.
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The Baseball Hall of Fame opens in Cooperstown, New York. The first class includes Babe Ruth and Ty Cobb.
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The United States government approves a sale of surplus war material to Great Britain.
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President, Franklin D. Roosevelt signs the Naval Expansion Act. This increases the capacitiy of the U.S. Navy by 11%.
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The Great Smoky Mountains National Park is dedicated by Franklin D. Roosevelt.
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The U.S. Congress approves the first peacetime conscription draft.
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President Franklin D. Roosevelt becomes the first man to hold office for three years.
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The United States occupies Iceland, attempting to thwart a potential invasion by Nazi Germany.
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The Atlantic Charter, an eight point declaration, was issued by Roosevelt and Great Britain Prime Minister, Winston Churchhill.
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Baseball player, Ted Williams, ends the 1941 season. He ends the season with a .4000 batting average, the last player to accomplish that feat.
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The attack on Pearl Harbor, Hawaii, commences at 7:55 a.m. when Japanese fighter planes launch a surprise attack on United States soil, destroying the U.S.
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President Franklin Roosevelt signs the Executive order 9066 into law. This confined 110,000 Japanese Americans into relocation camps during World War Two.
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North Africa is invaded by United States and Great Britain.
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Race Riots in Detroit and Harlem cause 40 deaths and 700 head injuries.
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The G.I. Bill of Rights is signed into law. This law provided benefits to veterans.
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The United States military begins to retake the island of Guam after Japanese troops had occupied the island during World War Two.
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The Yalta Conference is held in the Soviet Union by President Roosevelt, Prime Minister Churchill, and Premier Josef Stalin. It is agreed that the USSR will enter the war in the Pacific arena against Japan.
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President Franklin encounters a brain hemorrhage, This leaves, Vice President, Harry S. Truman to assume the presidency.
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Franklin Roosevelt dies. Harry Truman is then named the 33rd President of the US.
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Victory encourters in Europe. Also, Germany surrendered to the Red Army in Berlin.
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Leo Szilard begins a petition. This petition is to get President Truman to call using the atomic bomb.
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The United States drops atomic bomb on Hiroshima. This kills 80,000 people.
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The U.S militairy had presented Japan General No. 1 unconditional surrender.
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Japanese surrenders. Their surrender was the end of World War 11.
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Joseph Stalin makes his hostile speech. This showed that communism and capatalism were incompatible,
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Winston Church says "an 'iron curtain' has descended on Europe". He proves this statement in his Iron Curtain Speech.
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Operation Crossroads with Test Able was the first public demonstration of America's atomic arsenal.
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The American and British zones of control in Germany are united to form the Bizone also known as Bizonia.
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Berlin Blockade begins. This immediately interrupts all transports of goods and persons to and from Berlin.
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The Red Scare reaches its peak, with the naming of many American celebrities as members of the Communist Party.
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U.S. General MacArthur came with an overwhelming militairy force. This counter attacked the Korean army at Inch'on.
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United Nations forces cross the 38th parallel, into North Korea. The 38th parallel is a circle of latitude that is 38 degrees north of the Earth's equatorial plane.
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The U.S militairy defeated the Korean army. This was on the Chinda border, poised for payback after their recent loss of the war in China.
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In Philadelphia, Pennsylvania; The fifty star flag of the United States is debuted. This reflected the admission of Hawaii into the union in 1959.
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Senator John F. Kennedy wins over Presient Dwight D. Eisenhower in the presidential race.
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On the way to the World Championships, seventry-three figure skaters were killed, the entire U.S figure skating team in a plane crash near Brussels, Belgium.
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The "Bay of Pigs" invasion of Cuba is repulsed by Cuban forces in an attempt by Cuban exiles.
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Thanks too, Commander Alan B. Shepard Jr, the first U.S manned sub-orbital space flight is commanded.
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The construction of the Berlin Wall begins by the Soviet bloc. This segregated the German city.
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The first sign of a looming Vietnam conflict arises when President Kennedy admits that the military advisors already in Vietnam would engage the enemy if fired upon.
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The Seattle Century 21 Exposition opens under the theme of space expoloration.
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James Meredith was allowed to enter the University of Mississippi as the first black student under Guard by federal marshalls.
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The last twenty-seven prisoners of Alcatraz, are ordered removed by Attorney General Robert F. Kennedy.
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The patent for the first manned space capsule, "The Mercery" is issued to Maxime A. Faget, Andre J. Meyer, Jr., Robert G. Chilton, William S. Blanchard, Jr., Alan B. Kehlet, Jerome B. Hammack, and Caldwell C. Johnson, Jr.
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The United States, Soviet Union, and Great Britain agree to a limited nuclear test-ban treating, barring all nuclear testing above ground.
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The Panama Canal incident occurs when Panamanian mobs engage United States troops. This leads to the death of twenty-one Panama citizens and four U.S. troops.
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The National Historic Preservation Act is made law. It expanded the National Register of Historic Places to include historic sites of regional, state, and local significance.
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The Apollo program completes its mission. Neil Armstrong, becomes the first man to set foot on the moon four days after launch from Cape Canaveral.
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The Kent State Shootings occured at Kent State University, Ohio. They occured during student protests which grow violent.
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The Public Broadcasting System's headquarters is in Arlington, Virginia. This broadcasting system is a non-profit American broadcasting television network.
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The United States Environmental Protection Agency was formed and proposed by President, Richard Nixon. This agency protected human health and the environment.
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Congress passed the 26th Amendment. The 26th amendment lowered the voting age to 18.
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Bill Gates founded Microsoft. In time Microsoft dominated the home computer operating system market.
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The United States Bicentennial was a series of celebrations and observances. It paid tribute to the historical events leading up to the creation of the US as an independent republic.
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The Senate passed a bill that eliminated the practice of busing to achieve racial integration.
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In Washington state, the Mt. St.Helen's Volcano erupts. This was an economic devestation killing 57 people.
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President Ronald Reagan fights an assassination attempt. He was shot in the chest while walking to his limousine in Washington, D.C.
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The first launch of the Space Shuttle from Cape Canaveral and the Kennedy Space Center occurs as Columbia begins its STS-1 mission.
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President Ronald Reagan proposed a tax cut legislation. This was the largest in history and would reduce taxes by 750 billion over the next five years.
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Sandra Day O'Connor is approved by the United States Senate to become the first female Supreme Court associate justice in history.
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Astronaut Sally Ride becomes the first American woman to travel into space.
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Yellowstone fires approach the Old Faithful Complex. Thousands of firefighters fought the fire.
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The Berlin Wall was active for 38 years and begins to crumble. This occurs when German citizens were allowed to travel freely between West and East Germany.
