Updated timelines

Informed Predection
John D. Rockefeller
GLC2O Informed Prediction Timeline
Química
Computer History
Alexander Graham Bell Timeline
APUSH Summer Assignment
Thomas Edison
history of photografy
Founding Fathers
Dubai
Dominic's Life
History of Observers Timeline by Francisco Z.
Lewis and Clark Expedition
Actividad 27: Línea de tiempo de la Computación
My Life