In the Internet Era, we see changes happening faster than ever, more impressive, bigger impact than in any other era in history. Except for the late 1800's when suddenly steam gave way to electricity, lights, refrigeration, modern medicine, mass global immigration and the falling of borders everywhere. (followed shortly by modern nationalism and modern warfare, and whoops, back up went the gates).
The post-War period brought decolonization from East Asia to the Subcontinent to the Mideast to Africa to Latin America, a period nicely bookmarked by Mandela's release from prison in 1990 - similarly marked by the fall of the Berlin Wall and the end of the Soviet Union's Communism. 45 years of transition and recovery across most of the world.