Births on December 19

Andreas Osiander, German Protestant theologian (d. 1552)

Andreas Osiander (German: [ˈoːziˌandɐ]; 19 December 1498 – 17 October 1552) was a German Lutheran theologian and Protestant reformer.

20 May

Discovery of the sea route to India
Portuguese explorer Vasco da Gama discovers the sea route to India when he arrives at Kozhikode (previously known as Calicut), India.
31 Jul

Trinidad
On his third voyage to the Western Hemisphere, Christopher Columbus becomes the first European to discover the island of Trinidad.
26 Aug

Pietà (Michelangelo)
Michelangelo is commissioned to carve the Pietà.