Updated timelines

Important Events
Repères d'Histoire 4°
Repères d'Histoire 4° timeline
La Vida de Antonio Acosta
U.S. Histroy Timeline, K. Fitz
U.S. Histroy Timeline, K. Fitz
Vietnam War
Vietnam War timeline
Cell Theory Timeline: Jared Schwilk
WWII
ww2
Edmodo
Edmodo timeline
U.S. History Timeline, Aa. Hungerford
U.S. History Timeline, Aa. Hungerford
Veterans Day
Albany Plan if Union
Albany Plan if Union timeline
Lifeline
Tiffany Pham Timeline
Cyork17_Vetsday Timeline
Cold War Timeline