Crash Course Big History
This playlist has a series of videos that take a big look at history and includes a scientific perspective.
Crash Course European History
Crash Course World History
The ORIGINAL Crash Course World History playlist. Videos 1-22 are all reviews from previous units.
Crash Course World History 2
An additional playlist of World History content. WOOT!
Kurzgesagt - In a Nutshell
This is not history related BUT it is fantastic.
TED-Ed: Lessons Worth Sharing
There are plenty of history related videos but other interesting topics as well.
World History: The Story of All of Us
This playlist has the World History videos you have watched on days I have been absent. They are a great summary.