1529 - At the Diet of Speyer a group of rulers (German:Fürst) and independent cities (German: Reichsstadt) protested the reinstatement of the Edict of Worms. This movement was later called Protestantism.
1809 - Battle of Raszyn happenned between armies of Austria (attackers) and Duchy of Warsaw (defenders) as a part of struggles of the Fifth Coalition (1809). Austrian army was defeated.
1960 - The students in South Korea held a nationwide pro-democracy protest against their president Syngman Rhee, which eventually forced him to resign.
2000 - NBA superstar Charles Barkley of the Houston Rockets makes his return to the court against the Phoenix Suns after having torn his left quadricep tendon completely away from his kneecap a little over four months earlier. Barkley retired immediately after the game.
April is the fourth month of the year in the Gregorian Calendar and one of four with the length of 30 days.
The "days of April" (journÊes d'avril) is a name appropriated in French history to a series of insurrections at Lyons, Paris and elsewhere, against the government of Louis Philippe in 1834, which led to violent repressive measures, and to a famous trial known as the procès d'avrill.
April in the Northern Hemisphere is the seasonal equivalent to October in the Southern Hemisphere and vise versa.
April19 was designated as Patriot's Day in Massachusetts in 1894 to commemorate the opening battles of the Revolutionary War in Lexington and Concord in 1775, and the end of the war in 1783.
April19, 1989: A gun turret exploded aboard the USS Iowa, killing 47 sailors.