Based on the clue 'a horn named olifant which was sounded too late to...', what is the answer?

Based on the clue 'a hopeful desire for an aquatic creature', what is the answer? Based on the clue 'a hopi village in this state is probably the oldes...', what is the answer? Based on the clue 'a hoplite was a soldier named for his hoplon one o...', what is the answer? Based on the clue 'a horizontal blade on the back of a car or a back ...', what is the answer? Based on the clue 'a horse a horse my kingdom for a horse', what is the answer? Based on the clue 'a horse a horse my kingdom for a horse', what is the answer? What is associated with: a horse born december 31 1998 became a yearling on this date? Based on the clue 'a horse has got to learn to stand on his own four ...', what is the answer?