Sal Khan gives a video tutorial on the causes of WWI focusing on the empires and imperialism in the early 1900's. [7:36]

Countries in the early 1900's were in a race to build their empires. This video by Sal Khan illustrates the race by Germany and Italy to extend their influence, particularly in Africa. Also included is a question/answer section from the...

Using maps, Sal Khan explains the alliance system that led to WWI in this video tutorial. Also included is a question/answer section from the community. [4:44]

Using a color-coded map, Sal Khan shows the prominent religions and languages of the former Yugoslavia and how these different ethnic identities led to WWI. Also included is a question/answer section from the community. [6:11]

In the early 1900's, Europe was a tinderbox waiting for a spark to ignite. That spark came with the assassination of Archduke Ferdinand. Sal Khan narrates this tutorial explaining how and why he was assassinated. Also included is a...

Entertaining Crash Course video [10:55] in which John Green tackles the big questions of why World War I started and who started it. Mr. Green takes us through the course of events leading up to the war.