The decade between 1920-1929 was known as the Roaring Twenties. Jazz became popular and more Americans lived in cities. Hemingway's The Sun Also Rises and Fitzgerald's The Great Gatsby were popular. The American Professional Football Conference was founded
Soviet Union withdrew troops from Afghanistan under Geneva Accords. Al Qaeda terrorist group formed by Osama bin Laden and war veterans. Iran-Iraq War ended after eight years of fighting. Soviet Union initiated "perestroika" economic reforms under Gorbachev
Apollo 13 mission launched to moon on April 11, 1970. First Earth Day celebrated in 1970. Richard Nixon became US President in 1970. Elvis Presley met Nixon for drug war support. OAPEC imposed oil embargo in response to US energy crisis
Margaret Thatcher served as UK Prime Minister for the longest time. Ronald Reagan became US President for eight years. Iran-Iraq war began in 1980. Cold War ended with fall of Berlin Wall in 1989