Germany's declaration of war on the United States on December 11, 1941, in response to the United States' declaration of war on Japan.
Dom Pedro I or Pedro I of Brazil was the first Emperor of Brazil who ruled during the period 1822 and 1831. It was he who declared the Independence of Brazil on September 7, 1822 and granted the first Constitution in 1824. Biography Portrait of Dom Pedro I by Simplício Rodrigues de Sá (1830) Pedr