Updated timelines

SOCIOCULTURAL
Industrialism in American Art
Pre-Civil War 1800s
Pre-Civil War 1800s timeline
Lefty's Reconstruction timeline
Actions Leading up to World War II
Actions Leading up to World War II timeline
Tradición Cibernética de la Comunicación
Tradición Cibernética de la Comunicación timeline
Aztec Timeline
Aztec Timeline
la ropa limpia
Historia de Internet Mónica Gil Alejo
Historia de Internet Mónica Gil Alejo timeline
Reconstruction Timeline
HK On Fire
HK occupation
Life of Harriet Tubman
Life of Harriet Tubman timeline
1990's US History TImeline
Jasmine's Reconstruction timeline
Hong Kong on fire