What events are the most important in the medieval period?

How does wards description of the roman government compare to polybius description in sorce 1 and millars description in source 2

Revolutionary war. date battle result april 19, 1775 june 17, 1775 dec. 31, 1775 aug. 27, 1776 oct. 26, 1776 dec. 26, 1776 sept. 11, 1777 sept. 19, 1777 oct. 4, 1777 oct. 7, 1777 dec. 5, 1777 june 8, 1778 sept. 16, 1779 march 29, 1780 sept. 28, 1781 can i get the name of the battles and the result on the battles on the dates above

Witch statement about the fall of rome and is effect on culture and civilvison in western eurpoe is correct