The BBC has recently added a bunch of new resources to its “Bitesize” section on Modern World History. Most of the exercises are probably only accessible to advanced English Language Learners, but if you click on each section, many have a few items labeled “Activity.”
These “activities” are well-designed and would be accessible to Intermediate English Language Learners. They are animated, and provide subtitles as you listen to the audio. Here are a few samples:
I’ve placed the link to all these sites on the World History page on my website.