Вам историю вообще никак не преподавали в школе? https://ru.wikipedia.org/wiki/%D0%9F%D1%80%D0%BE%D0%B1%D0%BB%D0%B5%D0%BC%D0%B0_%D0%BF%D1%80%D0%B8%D0%BD%D0%B0%D0%B4%D0%BB%D0%B5%D0%B6%D0%BD%D0%BE%D1%81%D1%82%D0%B8_%D0%A4%D0%BE%D0%BB%D0%BA%D0%BB%D0%B5%D0%BD%D0%B4%D1%81%D0%BA%D0%B8%D1%85_%D0%BE%D1%81%D1%82%D1%80%D0%BE%D0%B2%D0%BE%D0%B2