Science magazine announced that half the killer whale population would likely die due to human pollution.
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The Declaration of Independence of the Mexican Empire was drafted at the National Palace in Mexico City.
William the Conquerer landed on English shores and began the Norman Conquest.
The science-fiction TV series 'Star Trek: The Next Generation' first aired on CBS.
Marvin Gaye was given a star on Hollywood's Walk of Fame.
American abolitionist David Walker published his appeal to the African American publications in Boston.
