cold war to present By sympannn 1945 United Nations https://docs.google.com/document/d/1_Lf7I1nK9x3NnqNu3iq1AlG_Po8ZaOEYNfbLs99KXrQ/edit?usp=sharing 1955 Rosa Parks https://docs.google.com/document/d/1MSdGctu-n5zLrnK7g021tkDAEix_P6A9upZ_6hWLlFo/edit?usp=sharing 1961 Berlin wall https://docs.google.com/document/d/1YCWxVPjW3D-E-8whvTqpp6HDPN0TvV7AWqnkFHcPc7M/edit?usp=sharing 1966 Medicare and Medicaid https://docs.google.com/document/d/1epuMnnXWqUgaHwMLwCsrE1KsWvZS2VZFtRAw3u935vw/edit?usp=sharing 1968 MLK assassination https://docs.google.com/document/d/1FDCL6oN-dmEgEgBiLYawVI-pWchiw1gBekF57siT5bY/edit?usp=sharing