Depending on whether you are going by the book or the movie, the super-intelligent, self-aware computer HAL 9000 was first activated on this date in 1992 or 1997. Either way, the unfortunate AI would go on to lose its digital mind and nearly murder the entire crew of the Discovery.

To celebrate: Sing “Daisy Bell,” to yourself, and dread the rise of artificial intelligence.

(2001: A Space Odyssey, Book, 1968)