Updated timelines

Principales hitos en la historia de la informática.
Start of WWII
Start of WWII timeline
INFORMATIKA
First Grade
Paul Revere
Paul Revere timeline
Probabilidad y Estadistica
Probabilidad y Estadistica timeline
The History of Volleyball
Elena de la Fuente Hernandez's Timeline
Elena de la Fuente Hernandez's Timeline
World War 1 to World War 2
Revolutionary War
Ridgeview's Digital Path to 2020
Ridgeview's Digital Path to 2020 timeline
DERECHOS HUMANOS
DERECHOS HUMANOS timeline
Inventions of The Industrial Revolution
Timeline Project By Andrew Gorz
Transformations around the globe
us history 2