What time period were the Iroquois in?

Archeological evidence says that Iroquois Longhouses could have been made as early as 1100 AD. Maize was introduced around the 14th century. By 1350 villages became larger and fortified due to increased warfare. The Onondaga tribe was the first one recognized between 1450 and 1475. The forming of the League of Nations (What they called the combined 6 tribes) could be anywhere between 900 AD and 1570 AD.