Berlin wall (jan 1, 1961 – jan 1, 1989)
Description:
this was to keep people IN east germany.
http://school.eb.com/levels/middle/article/Berlin-Wall/310181#
"Berlin Wall." Britannica School, Encyclopædia Britannica, 1 Nov. 2017. school.eb.com/levels/middle/article/Berlin-Wall/310181#. Accessed 23 Jan. 2018.
Added to timeline:
russia
Date: