Global Day of Action on Military Spending
Global Day of Action on Military Spending is held on April 12. The day was originally proposed by the International Peace Bureau and the Institute for Policy Studies with the aim of promoting a common awareness of the amounts of money spent on military. This event in the second decade of the month april is annual.
International Louie Louie Day is an annual holiday dedicated to Richard Berry's famous song Louie Louie on April 11;
International Moment of Laughter Day on April 14 (is focuses on laughter as a way to de-stress);
America Day on April 14 (Día de las Américas (es) with the support of the Organization of American States);
International Biomedical Laboratory Science Day on April 15 (is celebrated annually on 15 April to promote and acknowledge the role of biomedical laboratory professionals in diagnostic and preventative healthcare organisations);