Liliʻuokalani was the last monarch of the Hawaiian Kingdom who reigned from 1891 to 1893. The only queen regnant of the Hawaiian Kingdom, Liliʻuokalani faced rebellion from her subjects, foreign residents, and United States citizens. The revolutionaries forced her to abdicate the throne and then formed the Republic of Hawaii, effectively overthrowing the 98-year-old monarchy.
2. Constantine XI Palaiologos
3. Cleopatra
Cleopatra was the last active ruler of the famous Ptolemaic Kingdom of Egypt. After her demise, Egypt was annexed by the Roman Empire. Cleopatra's death marked the fall of the Ptolemaic Kingdom. It also marked the end of the Hellenistic period as Egypt was made a province of the Roman Empire.