APUSH Timeline By JSplain Period: Jan 1, 1491 to Jan 1, 1607 Period 1 (1491-1607) Period: Jan 1, 1607 to Jan 1, 1754 Period 2 (1607-1754) Period: Jan 1, 1754 to Jan 1, 1800 Period 3 (1754-1800) Jul 4, 1776 Declaration of Independence