Portuguese Navigator Ferdinand Magellan discovered Guam, Micronesia in the Western Pacific.
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The first computers were affected by the Michelangelo virus, which activated annually on March 6.
A circus performer patented the modern trampoline.
Oreos first went on sale.
The world's oldest message in a bottle was found.
Boxing champion Muhammad Ali relinquished his 'slave name' of Cassius Clay and joined Islam.
