the historical dates in south amercal By atm107 May 29, 1542 amazon river was made May 29, 1654 the invaded brazil May 29, 1888 slavery was abonished in braxil May 29, 1942 declared a war on axis May 29, 1945 brazil goined usa May 29, 1946 a new constotion May 29, 1985 brazil goverment was returned to cilver war