1. 1763: The Treaty of Paris was signed, ending the Seven Years’ War and reshaping colonial territories in North America and around the world.

2. 1933: The New York City-based newspaper, The New York Times, published its first-ever Sunday crossword puzzle.

3. 1962: The first American spacecraft to orbit the Earth, Friendship 7, was launched with astronaut John Glenn aboard.

4. 1996: IBM’s computer Deep Blue defeated world chess champion Garry Kasparov for the first time, marking a significant moment in the history of artificial intelligence.

5. 2009: The communication satellite Iridium 33 and the defunct Russian satellite Cosmos 2251 collided in orbit, creating a significant amount of space debris.