Things that happened back then that could be scenarios again.
241 BC: The Romans destroy the Carthaginian fleet at the Battle of the Aegates Islands, ending the First Punic War. The Romans celebrate, obviously overlooking the name of the war.
1629: Charles I of England dissolves Parliament, just for a moment, you know…oops, it's 1640 already? Time flies.
1804: The Louisiana Purchase is officially finalized at St. Louis, ensuring that the Southeastern Conference will dominate college football for centuries to come.
1876: Alexander Graham Bell makes the very first telephone call: "Mr. Watson, come here, I want to see you." Less noticed is that this marks the first time an employee is screening his calls on a Friday.
1913: Harriet Tubman dies at age 93. Hard to believe that she lived to be a suffragette and also to ride in automobiles.
1948:"The Third Defenestration of Prague:" Czech Foreign Minister Jan Masaryk is found dead in the courtyard of his residence, dressed in pajamas. The death, which presaged increasing Soviet domination of Czechoslovakia, is ruled a suicide, although Czechs forever after tell each other, "Jan Masaryk was such a fastidious man that after he jumped to his death from his bedroom window, he locked the window behind him."
1977: Astronomers discover rings around Uranus, the single most popular discovery of science to every fourth-grade boy for the rest of recorded time.