Portal:Argentina/Anniversaries/April/April 6


 * 1661: Establishment of the Royal Audiencia of Buenos Aires
 * 1811: Forces loyal to Cornelio Saavedra remove the supporters of Mariano Moreno from the Junta Grande
 * 1852: Signing of the Protocol of Palermo, which gave Justo José de Urquiza the management of the international relations of the Argentine Confederation
 * 1987: Pope John Paul II visits Argentina for the second time