• Invention of Model T

  • The Zimmerman Telegram

  • WWI Armistice

  • 19th Amendment

  • Charles Lindbergh’s Flight

  • Black Thursday

  • Hitler becomes Chancellor

  • The New Deal begins

  • Munich Pact signed

  • Hitler invades Poland

  • Pearl Harbor

  • D‑Day

  • The Long Telegram

  • Hiroshima

  • Nagasaki

  • Formation of the United Nations

  • Formation of NATO

  • Russians acquire the Atomic Bomb

  • Period: to

    Korean War

  • Period: to

    Vietnam War (U.S. involvement peak)

  • Brown v. Board of Education decision

  • Rosa Parks refuses her seat

  • Period: to

    Cuban Missile Crisis

  • JFK Assassination

  • Gulf of Tonkin Resolution

  • Apollo 11 Moon Landing

  • Watergate Break‑ins

  • Nixon’s Resignation

  • Invention of the Internet

  • Fall of the Berlin Wall

  • 9/11 Attacks

  • COVID‑19 Pandemic declared by WHO