Before the era of nation-states, Shakespeare had it easy. While humanists may agree labels matter little, geographers in the 21st century must keep up with country name changes, and the accompanying politics. Readers these days come across Myanmar (Burma), or Burma (Myanmar), depending on the writer’s point of view. Burma is the original name of the second-largest country in southeast Asia, known in recent years for a thawing autocracy and human rights luminary Aung San Suu Kyi. The U.S. State Department’s Bureau of Conflict and Stability Operations (CSO) in September put out a press release recounting its activities in “Burma.” Yet the U.N., Japan, France, Russia, and most other nations have relations with Myanmar, to which its name was changed after a 1989 military coup. The two are essentially the same, with Burma the more colloquial in the native tongue. That new rulers instituted “Myanmar,” the more traditional, literary name, hinted at establishing a new identit...