After years of construction, which canal finally opened for business on August 15, 1914?

After writing which 1829 opera did Rossini compose no more operas in the last 39 years of his life? After World War I, who became director of an art school in Weimar and in 1925 moved it, as the Bauhaus, to Dessau? The M1 rifle armed U.S. infantry in World War II. Which newer rifle was issued to GIs in Vietnam in the 1960s? After years as Jackie Joyner's coach, who became her husband in 1986? After years of trial and error, Alfred Nobel patented which explosive in 1867, making him very rich? After years of war, Spain finally recognized which country's independence in 1668? Running against William Jennings Bryan in 1896, who said "I am a tariff man, standing on a tariff platform"? Agana, officially renamed Hagatna in 1998, is the capital of which U.S. territory?