Discovery Day commemorates the discovery of the Sister Islands of Cayman Brac and Little Cayman by Christopher Columbus in 1503. The public holiday is celebrated on the third Monday in May. Colombia celebrates October 12 as "Discovery Day", coinciding with the Columbus Day celebrations of many other countries in the New World. March 6 marks the day in 1521 that Magellan's expedition dropped anchor in Umatac Bay. December 5, the date in 1492 when Christopher Columbus landed on the island of Hispaniola in what is now Môle-Saint-Nicolas, Haiti, is called Discovery Day. Today the island is shared by two countries: Haiti and
Pan American Day celebrated as Columbus Day in the United States. In the United States, Pan American Day is observed by Presidential proclamation on April 14. In addition, the entire week on which the holiday falls is observed as Pan American Week. On April 7, 2017, President Donald Trump proclaimed "Pan American Day" and Pan American Week on April 7, 2017. Pan American Day Pan American Day is a holiday observed by several countries in North and South America. It commemorates the First International Conference of American States which concluded on April 14, 1890, creating the International Union of American Republics, the forerunner