Cold war 1945 to present By chapayd 1950 Korean war https://docs.google.com/document/d/15gnZ5RnT4Yuj-A1QjqI_ZDzJ1dDBe2LH2JQREy0uZFE/edit?usp=sharing 1961 Berlin wall https://docs.google.com/document/d/1usQzTLZgVRz9eoviCK_mqzIDA-Lyy9mZku6R3-yooag/edit?usp=sharing
