Brazil Timeline By evediane10 1468 Portugal arrives in Latin America 1493 The Line of Demarcation was created and put Brazil under control of Portugal Sep 7, 1822 Independence from Portugal 1888 Slavery is abolished in Brazil 1889 Brazil declares itself a Republic 1917 Brazil officially declares war on Germany in World War II 1945 Brazil joins the United Nations Organization 1946 A new constitution is created in Brazil 1958 Brazil wins the World Cup for the first time 2011 Dilma Rousseff becomes Brazil's first female president