The Declaration of Independence of the Mexican Empire was drafted at the National Palace in Mexico City.
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American abolitionist David Walker published his appeal to the African American publications in Boston.
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.
NASA announced that they found running water on Mars.
Spanish explorer Juan Rodriguez discovered San Diego Bay and claimed it for Spain.
