Updated timelines

Salem Witch trials
Distribution
Distribution timeline
Schools in the Year 2020
Schools in the Year 2020 timeline
Aleksa's Life
My School in 2020
My School in 2020 timeline
Atomic Theory
Generaciones de las Computadoras
Generaciones de las Computadoras timeline
LIFE SPAN ACTIVITY
Historia de la ergonomía
Historia de la ergonomía timeline
My Life
Education by 2020
Education by 2020 timeline
Patience Wright
Patience Wright timeline
Transformations Timeline
Ergonomia
Sir John A. MacDonald
Sir John A. MacDonald timeline
My life Goals