Irredentism | Definition of Irredentism by Merriam-Webster.

What is an example of irredentism?

Notable examples of irredentism include Nazi Germany's claims on the Sudetenland of Czechoslovakia; the “Megali Idea” that sought to create a Greater Greece; China's desire to reincorporate the territories lost during periods of historical weakness; Somalia's invasion of Ethiopia during the Ogaden War of 1977–78; the ...

What is an irredentist claim?

Irredentism is any political or popular movement that seeks to claim or reclaim and occupy a land that the movement's members consider to be a "lost" (or "unredeemed") territory from their nation's past.