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the first car rolling off the assembly line on October 1st, revolutionizing personal transportation by becoming the first mass-affordable automobile thanks to assembly-line production, and it remained in production until 1927.
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The telegram is sent by Zimmermann to the German ambassador in Mexico, offering territory (Texas, New Mexico, Arizona) for an alliance.
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was the agreement signed in a railway carriage in Compiègne, France, between the Allies and Germany,
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The 19th Amendment, granting women the right to vote.
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Charles Lindbergh's famous solo, nonstop flight across the Atlantic from New York to Paris
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the start of the devastating 1929 Stock Market Crash, marking a chaotic first day of mass panic selling with record trading volume, leading into the Great Depression.
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aimed at combating the Great Depression through relief, recovery, and reform, vastly expanding the federal government's role in the economy with agencies like the WPA, CCC, and Social Security, fundamentally reshaping American society until World War II.
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Adolf Hitler was appointed Chancellor of Germany by President Paul von Hindenburg. This event was a crucial turning point that led to the end of the Weimar Republic and the establishment of the Nazi dictatorship.
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Great Britain, France, and Italy, allowed Germany to annex the Sudetenland region of Czechoslovakia in a failed attempt to prevent World War II.
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The invasion involved a massive, unprovoked assault by German forces from the north, south, and west, overwhelming Polish defenses.
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a date that plunged the United States into World War II, with annual remembrance ceremonies held on that same date, December 7th, as National Pearl Harbor Remembrance Day.
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when Allied forces launched Operation Overlord, the massive amphibious invasion of Normandy, France, during World War II, marking the beginning of the liberation of Nazi-occupied Western Europe.
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The United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki, respectively, during World War II. The aerial bombings killed 150,000 to 246,000 people,
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its Charter was ratified by the five permanent Security Council members (China, France, the Soviet Union, the UK, and the US) and
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The Long Telegram was sent by American diplomat George F. Kennan from Moscow to the U.S. State Department
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The North Atlantic Treaty Organization was created in 1949 by the United States, Canada, and several Western European nations to provide collective security against the Soviet Union.
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The Soviet Union acquired the atomic bomb and tested its first device, code-named "First Lightning"
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beginning with North Korea's invasion of South Korea and ending with the signing of an armistice agreement that halted the fighting but never officially ended the war
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unanimously ruling that state-sponsored segregation in public schools was unconstitutional and violated the 14th Amendment, famously declaring "separate educational facilities are inherently unequal" and overturning the "separate but equal" doctrine from Plessy v. Ferguson.
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a prolonged conflict between communist North Vietnam (supported by the Soviet Union and China) and South Vietnam (supported by the United States) that grew from French colonial struggles and became a major Cold War proxy war
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Rosa Parks refused to give up her seat on a segregated bus to a white passenger
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The Cuban Missile Crisis, also known as the October Crisis in Cuba, or the Caribbean Crisis, was a 13-day confrontation between the governments of the United States and the Soviet Union
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John Fitzgerald Kennedy, also known as JFK, was the 35th president of the United States, serving from 1961 until his assassination in 1963.
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The Gulf of Tonkin Resolution was passed by the U.S. Congress
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the Lunar Module Eagle landed, and Neil Armstrong became the first human to walk on the Moon hours later on July 21, 1969, famously saying, "That's one small step for a man, one giant leap for mankind".
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five men were arrested for breaking into the Democratic National Committee (DNC) headquarters at the Watergate complex in Washington, D.C., to plant listening devices, sparking a scandal that led to President Nixon's resignation.
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Richard Nixon resigned as President of the United States on August 9, 1974, following his televised announcement the previous evening (August 8) that he would step down due to the Watergate scandal, becoming the first U.S. president to resign.
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The crucial shift to TCP/IP (Transmission Control Protocol/Internet Protocol) creates the true "Internet" as different networks could now communicate.
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The Berlin Wall fell on November 9, 1989, when East Germany unexpectedly announced the opening of its borders, leading to massive crowds gathering and border guards opening the gates, symbolizing the end of the Cold War and paving the way for German reunification in 1990.
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The September 11 attacks, colloquially known as 9/11, were four coordinated Islamist terrorist suicide attacks by al-Qaeda against the United States in 2001.
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They named the virus "severe acute respiratory syndrome coronavirus 2" or "SARS-CoV-2." In March 2020, the WHO officially declared the COVID-19 outbreak a pandemic.