Updated timelines

A Brief History of Immigration Policy in the United States
A Brief History of Immigration Policy in the United States timeline
Columbine Massacre
Радио
Радио timeline
World War 2
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Progressivism
Civil Rights Movement
Civil Rights Movement timeline
Causes of the Revolutionary War
Causes of the Revolutionary War timeline
WWII Timeline
WWII Timeline
Xabier Lete
Xabier Lete timeline
Carolina Coronado
Carolina Coronado timeline
Miró
Miró timeline
появление фотоаппарата
Carolina Coronado
Carolina Coronado timeline
Walt Dysney
Walt Dysney timeline
Generaciones de ordenadores
Generaciones de ordenadores timeline