International Moment of Laughter Day
International Moment of Laughter Day is held on April 14. It is focuses on laughter as a way to de-stress. This event in the second decade of the month april is annual.
National Dog Bite Prevention Week in US on April 13 (the second full week of April );
Pan American Day on April 14 (El Salvador, Haiti, Honduras and Venezuela, USA);
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);