The Declaration of Independence of the Mexican Empire was drafted at the National Palace in Mexico City.
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NASA announced that they found running water on Mars.
Elon Musk announced that he was building a spaceship called Starship that would travel to Mars and return to Earth.
The science-fiction TV series 'Star Trek: The Next Generation' first aired on CBS.
Science magazine announced that half the killer whale population would likely die due to human pollution.
William the Conquerer landed on English shores and began the Norman Conquest.
