Not only did the Berlin Wall last for less time than has passed since its fall, 36 years ago today, there are adults who were born after the fall of the Wall who have teenage kids.
At the same time, there are people alive today who remember the November pogroms of 1938, 87 years ago today, which you may remember from school as 'Kristallnacht'.
https://www.dw.com/en/november-9-a-fateful-day-in-the-history-of-germany/a-74659144