GRAPHIC TRUTH: NATO’S EASTWARD EXPANSION
When NATO was formed in 1949, it had just 12 members. In the years since, its ranks have grown to 29, with 4 more waiting in the wings. The expansions since the Soviet collapse in 1991 have stoked tensions with Moscow, which views the alliance’s eastward drift as a threat. Here’s how, and when, NATO has grown over the past seven decades.