20 August 917 August 20, 2014 Author: Staff The Battle of Acheloos takes place. Tsar Simeon I of Bulgaria defeats a Byzantine army. Famous Words of Inspiration..."Football combines two of the worst things in American life. It is violence punctuated by committee meetings." George Will — Click here for more from George Will Related posts: 27 August 1776 27 August 1776 1 August 1993 20 August 1988 4 October 1777 20 August 1988 22 July 1298 20 August 1988 27 June 1709 13 August 1937 Categories: History Tags: 20 August, 917