If you are looking for examples of weapons and armor from across the globe in pictures, look no further than this Pinterest user. He has everything well categorized.
https://www.pinterest.com/magnusbarbadus/
This will answers stuff like:
What does a Gambeson look like?
What types of Morions were used in the English Civil War?
What did Landsknechts actually wear?
What’s the difference between a Dane Axe and a Lochaber Axe?