Updated timelines

1945-1960
History of elements
History of elements timeline
LEV VIGOTSKY
LEV VIGOTSKY timeline
Tang Dynasty timeline
AP World History - Traveler's Timeline
AP World History - Traveler's Timeline
Dynastic Time Span of the Sui, Tang, and Song Empires
Vietnam Veteran's Memorial WebQuest
Vietnam Veteran's Memorial WebQuest timeline
Post-classical China Continued
Post-classical China Continued timeline
America and the World
Chapter 25
Postclassical China Dynastic Timeline
Postclassical China Dynastic Timeline
Chapter 9 Events
Chapter 9 Events timeline
The Tang Dynasty
The Tang Dynasty timeline
Reconstruction Timeline
The Tang Song
Post-Classical China
Post-Classical China timeline