What century a horse a horse your kingdom for a horse?

Answer:
That line was originally said by king Richard III, and was during the battle of bosworth, which happened during Tudor Times. So that line was spoken in the 16th century, the time of the battle of bosworth and the Tudor era, when king Richard went into battle and lost to Henry Tudor.
First answer by Meepymoopy959. Last edit by Meepymoopy959. Contributor trust: 3 [recommend contributor recommended]. Question popularity: 4 [recommend question].