"Pride and Prejudice" is first published, Elvis makes his national TV debut, "We Are the World" is recorded, and the space shuttle Challenger breaks apart after liftoff, all on this day.
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1225: Saint Thomas Aquinas, considered the Roman Catholic Church's greatest theologian and philosopher, is born in Roccasecca, Kingdom of Sicily. He was the foremost classical proponent of natural theology and much of modern philosophy was conceived in development or refutation of his ideas, particularly in the areas of ethics, natural law, metaphysics and political theory.