Henry Clay ran for president in 1844 as the nominee of which party?

Which U.S. president lived from 1843 to 1901? Which 1843 story begins "Marley was dead: to begin with"? John Lloyd Stephens' 1843 "Incidents of Travel in Yucatan" described the ruins of which civilization? In 1844, dentist Horace Wells had a tooth pulled after inhaling which gas, pioneering its use as an anesthetic? Who received a U.S. patent in 1844 for vulcanizing rubber? Who was inaugurated as the 11th U.S. president in 1845? Which 1845 poem is set "upon a midnight dreary" in bleak December in the narrator's chamber? In 1846, dentist William Morton demonstrated ether at Massachusetts General Hospital, pioneering what?