Slavery in the colonial history of the United States, from 1526 to 1776, developed from complex factors. Slavery was the main cause of disunion. Slavery had been a controversial issue during the framing of the Constitution but had been left unsettled.
Suleiman the Magnificent conquered the southern and central parts of the Kingdom of Hungary as part of the Ottoman–Hungarian Wars, and, after his historic victory in the Battle of Mohács in 1526, he established Ottoman rule in the territory of present-day Hungary (except the western part) and other Central European territories.