Dublin's main street is named for which man who helped win Catholic Emancipation in 1829?

Which African predator of the adult wildebeest, or gnu, has a mane? Muscat's strategic value stems from its position near the entrance to which body of water? Which Maine river gave its name to an 1838-39 dispute that led to the settling of the Maine-New Brunswick border? A major 1970 strike by federal employees in which service helped change it into an independent government agency? A major Russian literary award is named for which poet who died in a duel in 1837? A major cold ocean current off Peru is named for which man who studied it in 1802? A major promoter of the Erie Canal, DeWitt Clinton was governor of which state when it opened in 1825? A reported rift with Alyssa Milano was among the reasons which actress left "Charmed" in 2001?