Updated timelines

Fifth Period: Timeline of the Muslim Empires
World War 1
The War of 1812
Civil Rights Era
TheWar Of 1812
The war of 1812
John f. Kennedy
The waR of 1812
The War of 1812
Histories of Israel and Palestine (17.908)
Muslim Empires and Dynasties: First Period
Joshua Hidalgos life
The Spread of democracy
The Life and Times of Harrison Ford
Visual history of special education
The Five Generations Of Computing