Pan American Day
Pan American Day is held on April 14. El Salvador, Haiti, Honduras and Venezuela, USA. This event in the second decade of the month april is annual.
International Moment of Laughter Day on April 14 (is focuses on laughter as a way to de-stress);
Tax Day on April 15 (United States, the Philippines - the official deadline for filing an individual tax return or requesting an extension);
Jackie Robinson Day on April 15 (United States);