Updated timelines

Dance history
Dance history timeline
Gallipoli Campain - World War 1
Gallipoli Campain - World War 1 timeline
Year 9 History
Year 9 History timeline
Civil Rights Movement
Civil Rights Movement timeline
Historia y evolución de la cocina
History of Robots
The life of Boy
The life of Boy timeline
A Bad Case of the Stripes
L'évolution des appareils de reproduction du son
L'évolution des appareils de reproduction du son timeline
Year 9 History Overview
Year 9 History Overview timeline
World War One Timeline
World War One Timeline
70's-90's Time Period
WWI Timeline
Benito Mussolini
Benito Mussolini timeline
Historia Universidad Libre
Historia Universidad Libre timeline
World War One: Battle Of The Somme
World War One: Battle Of The Somme timeline