Updated timelines

Shooting Schedule
WWI events
Genetics
HISTORIA DE LA FOTOGRAFIA
Richie R. Beagle Voyage
WWII timeline
Infancy and Childhood Timeline
gun legislation
Mi experiencia con la tecnología
Gun Legislation
MI RELACION CON LA TECNOLOGIA
Early Education History Timeline
sistema operativo
Brief History of Early Childhood Education
Gun Control Legislation in the United States
Major Turning Points of WWI