Which city has been Delaware's capital since 1777, though it wasn't incorporated as a city until 1929?

Adopted by Congress in 1777, which constitution did not take effect until 1781? Best known for his 1828 dictionary, who also wrote textbooks on science, grammar and history? Best known for his Pooh stories, which author published "The Red House Mystery" in 1922? Which Supreme Court justice was nicknamed "the Great Dissenter," though he dissented in relatively few cases? A 1972 law made the third Sunday in June a permanent national observance; which one? Which Washington, D.C., university, founded in 1867, didn't have its first Black president until 1926? Which president, badly defeated in 1932, later led two commissions to reorganize the executive branch? Which slugger, nicknamed "Mr. October," holds the major league career record for strikeouts by a batter, with 2,597?