Many political issues are a matter of dispute. Often there're parties or even whole countries that have different view on the situation. That's what concerns me about this project. You call "annexation" an event that the majority of 143 million people don't.

Very cool! Does the site update data if there are new disputes or if any of the disputes get resolved? (unlikely I suppose, since some of the disputes have been going on for a very long time - another interesting question would then be, have any of the disputes been resolved?)

Very cool. Just checked India map and its disputed territories. Thx for the map

would be great to introduce it in the classroom.