Updated timelines

The major events in Astronomy
Native American Timeline
Bri's Geology Timeline
The 6th amendment
The 6th amendment timeline
Native Americans
Estudios, Trabajo y vida
The Life of Mrs. Martin
The Life of Mrs. Martin timeline
Evolucion de las Tic
Evolucion de las Tic timeline
Harding Presidency
Harding Presidency timeline
Chemistry Timeline
historia de mi vida
historia de mi vida timeline
HISTORY OF CHIJMES
HISTORY OF CHIJMES timeline
RICK RIORDAN
L'historia del Cotxe
L'historia del Cotxe timeline
Me Vida-Cassidy Lalumiere
History of Chemistry