Francis II was the last ruler of which empire, giving up its throne on August 6, 1806?

On "ER", doctors Abby Lockhart, Luka Kovač and Neela Rasgotra worked in which city? ABC dealt with thorny kids' issues from 1972 in which occasional afternoon dramas? Abdulaziz, who reigned from 1861 to 1876, was sultan of which empire? Deposed in 1889, which emperor of Brazil was the last monarch to rule in the Americas? Abe and Munch go on "Oddysees" in which video game series? What speech did Abraham Lincoln deliver on November 19, 1863? Abraham Lincoln lived in which city in the 1840s and '50s, where his home still stands at Eighth and Jackson streets? Which sea between Australia and New Zealand is named for a Dutch explorer?