170 Years Of American History In One Amazing GIF

 

This mesmerizing GIF shows the growth of our great Nation and the expansion that created the 50 states we have today. The map spans from March 4, 1789, when the U.S. Constitution took effect, to August 21, 1959, when Congress admitted Hawaii as the 50th state. 

 

US Map GIF

 

via Imgur/Reddit MapPorn