A lot has happened in Germany's recent history. From a collection of independent states, German became a unified country in 1871, was divided by the Allied Powers in the aftermath of WWII, and then finally, after the fall of the Berlin Wall in 1989, Germany became the country that it is today. VIDEO SPONSOR: Squarespace -- https://www.squarespace.com/wonderwhy Get a free 14 day trial and 10% off your first purchase with offer code WONDERWHY.