Updated timelines

Evolución de las presentaciones
Evolución de las presentaciones timeline
Cold War/Vietnam
Ma vie
Nigerian traditional marriage-yoruba (gifts for the bride)
Nigerian traditional marriage-yoruba (gifts for the bride) timeline
siegienski media album
Misiones de paz OEA
Misiones de paz OEA timeline
Napoloen's Career
Napoloen's Career timeline
The Most Important Revolutions
The Most Important Revolutions timeline
Back To The Future
Years of Crisis
Russian Revolution
Russian Revolution timeline
Russian Revolution
Historia de la Salud Pública
Historia de la Salud Pública timeline
Historia del Humanismo
Historia del Humanismo timeline
World War II
World War II timeline
История английского языка
История английского языка timeline