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The invention of the Model T
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The Zimmerman Telegram
The Zimmermann Telegram (or Zimmermann Note) was an internal diplomatic communication issued from the German Foreign Office in January 1917 that proposed a military alliance between Germany and Mexico in the event of the United States' entering World War I against Germany. -
The WWI Armistice
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19th Amendment
The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of sex. -
Charles Lindbergh’s Flight
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Black Thursday
On this date, a then-record number of shares were traded on the New York Stock Exchange by panicked investors, marking the onset of the stock market crash that precipitated the Great Depression. -
Hitler becomes chancellor
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The New Deal
By 1932, one of the bleakest years of the Great Depression, at least one-quarter of the American workforce was unemployed. When President Franklin Roosevelt took office in 1933, he acted swiftly to try and stabilize the economy and provide jobs and relief to those who were suffering. -
The Munich Pact
British and French prime ministers Neville Chamberlain and Edouard Daladier sign the Munich Pact with Nazi leader Adolf Hitler. The agreement averted the outbreak of war but gave Czechoslovakia away to German conquest. -
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. -
Pearl Harbor
Just before 8 a.m. on December 7, 1941, hundreds of Japanese fighter planes attacked the American naval base at Pearl Harbor near Honolulu, Hawaii. -
D-Day
The Normandy landings (codenamed Operation Neptune) were the landing operations on Tuesday, 6 June 1944 (termed D-Day) of the Allied invasion of Normandy in Operation Overlord during World War II. -
Hiroshima & Nagasaki
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The formation of United Nations
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The Long Telegram
George Kennan, the American charge d'affaires in Moscow, sends an 8,000-word telegram to the Department of State detailing his views on the Soviet Union, and U.S. policy toward the communist state. Kennan's analysis provided one of the most influential underpinnings for America's Cold War policy of containment. -
The formation of NATO
An alliance of countries from North America and Europe committed to fulfilling the goals of the North Atlantic Treaty signed on 4 April 1949. -
Russians acquire the Atomic Bomb
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The Korean War
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Brown v Board of Education
Brown v. Board of Education of Topeka, 347 U.S. 483 (1954), was a landmark United States Supreme Court case in which the Court declared state laws establishing separate public schools for black and white students to be unconstitutional. -
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The Vietnam War
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Rosa Parks refuses to give up her seat
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The Cuban Missile Crisis
The Cuban Missile Crisis of October 1962 was a direct and dangerous confrontation between the United States and the Soviet Union during the Cold War and was the moment when the two superpowers came closest to nuclear conflict. -
JFK’s Assassination
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The Gulf of Tonkin Resolution
The Gulf of Tonkin Resolution or the Southeast Asia Resolution was a joint resolution that the United States Congress passed on August 7, 1964, in response to the Gulf of Tonkin incident. -
The Apollo 11 Moon Landing
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The Watergate Break-ins
Former Nixon aides G. Gordon Liddy and James W. McCord Jr. are convicted of conspiracy, burglary and wiretapping in the Watergate incident. Five other men plead guilty, but mysteries remain. -
Nixon’s Resignation
On August 9, 1974, Richard M. Nixon resigned the presidency of the United States after what has become known as the Watergate scandal. In June of 1972, five men were arrested during a break-in at the Democratic National Committee's offices in the Watergate complex. -
The invention of the Internet
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The Fall of the Berlin Wall
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The 9/11 Attacks