Which tournament did Andre Agassi win in 1999 to complete a career Grand Slam?

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? In Greek, "agape" refers to a selfless, unconditional kind of what? Andre Agassi won the 1995 Australian Open by beating which player, his co-star in Nike's "guerrilla tennis" ads? Agatha Christie put Hercule Poirot aboard a boat called the Karnak in which 1937 novel? Who was 87 when he died in office in 1864, making him the oldest man ever to serve as U.S. chief justice? Agent K, Agent J and Jack Jeebs are characters in which 1997 film?