1502
{| align=right cellpadding=3 id=toc style="margin-left: 15px;"\n|- \n| align="center" colspan=2 |
Years: 1499 1500 1501 -
1502 -
1503 1504 1505\n|-\n| align="center" colspan=2 |
Decades: 1470s 1480s 1490s -
1500s -
1510s 1520s 1530s\n|- \n| align="center" |
Centuries: 15th century -
16th century -
17th century\n|}
Events
\n*January 1 - Rio de Janeiro discovered\n* in Russia, Ivan II the Great attacks Livonia without success\n* May 9 - Christopher Columbus leaves Spain for his fourth and final trip to the "New World"\n* May 21 - Portuguese discover island of St Helena\n* December 31 - Cesare Borgia imprisons two potentially treacherous allies, Vitelozzo and Oliveretto - he executes them the next morning\n* Aztec ruler Auitzotl dies; Moctezuma II elected emperor\n* Peter Henlein builds the first pocketwatch\n* "Newfoundland" gets its name from a letter. \n* Christopher Columbus lands at Trujillo and named the mainland "Honduras".\n* Portuguese explorers sailed into Guanabra Bay, Brazil and mistook it for the mouth of a river which they named Rio de Janeiro.\n* Wittenberg University founded.
Births
\n* January 7 - Pope Gregory XIII, who implements the Gregorian Calendar in 1582\n* June 6 - King John III of Portugal\n* John Leland - English antiquarian\n* Anne Boleyn - Later second Queen consort of Henry VIII of England. Another possible year of birth is 1507.
Deaths
\n* 2 April - Arthur Tudor (son of Henry VII of England).\n* 6 May - James Tyrrell, executed; alleged murderer of the Princes in the Tower
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