Updated timelines

Historical Background to AI
Technology
Vietnam War Period
justicia transcicional en Colombia
Life of Gage C
WWII
Jess Slay
ww2 Austin
Japan - Historical events
Colonial America 1600-1750
ARCHIE
Nazi Germany
Stephensons and Dooleys growing in history
Taloushistoria
Storbritannien
Taloudelliset aikakaudet