3 Early Important historical Documents that helped create the Declaration of
Independence?

Jefferson's most immediate sources were two documents written in June 1776: his own draft of the preamble of the Constitution of Virginia, and George Mason's draft of the Virginia Declaration of Rights. Ideas and phrases from both of these documents appear in the Declaration of Independence.

on the morning of  july 21,  1861, general mcdowell ordered the  unionarmy to attack. it was on this hill that  confederate  colonel thomas jackson and his forces held back theunion  troops.

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.