Updated timelines

Trabajo Social
Trabajo Social timeline
Women in Sports
Rwanda
Rwanda timeline
Obama: presidential timeline
Obama: presidential timeline
I've Got Friends In All Places
I've Got Friends In All Places timeline
China's Road to Communism
Peru
Peru timeline
Panama
Women in Sport
Women in Sport timeline
poets
Brazil
Brazil timeline
Art in the 1920's
Art in the 1920's timeline
The Hitler Youth
African American Sport
African American Sport timeline
Historia de la Comunicación Gráfica
Historia de la Comunicación Gráfica timeline
Past, Present, Future
Past, Present, Future timeline