January 6 Jews are expelled from Graz (Syria) February 25 Italians troops reconquer Taranto on France March 9 Nicolaus Copernicus 1st recorded astronomical observation, May 2 John Cabot departs to North-America May 10 Italian navigator Amerigo Vespucci leaves for 1st voyage to New World May 13 Pope Alexander VI excommunicates Girolamo Savonarola June 22 Antitax insurrection in Cornwall suppressed at Blackheath June 24 John Cabot claims eastern Canada for England (believes he found Asia in Nova Scotia) July 8 Vasco da Gama departs for trip to India July 26 "Edward IV's son" Perkin Warbecks army lands in Cork August 6 John Cabot returns to Bristol from North-America August 10 John Cabot tells King Henry VII of his trip to "Asia" September 7 Sailor Perkin Warbeck becomes English King Richard IV November 18 Vasco da Gama reached the Cape of Good Hope November 22 Portuguese navigator Vasco da Gama rounds Cape of Good Hope
