IB History Review Guide/How to use this Guide

Do not: Try to memorize everything. That is absurd, and generally not required. Consider this- in Paper II you need to write two essays on two topics and paper three, three essays on three topics. Therefore, study certain individual topics extensively.
 * Memorize Key dates, key names, and a couple of key quotes. Memorize these things extremely well.
 * Understand the timeline of events in the order of which they happened and be able to describe that order.

Also, don't narrow yourself to using only the information available in this guide, there are plenty of great Wikibooks about History!

You might want to look at
 * How to write a research paper in History
 * World History and sections such as World History/The Rise of Dictatorship and Totalitarianism
 * Wikipedia itself! Wikipedia provides information in depth on numerous events, characters and places. Want to know what happened at the Battle of Stalingrad? Well, it's just a click away!