when did Nikita Khrushchev and Walter Ulbricht issue the command to build the berlin wall
On Saturday 12 August 1961, the leaders of East Germany attended a garden party at a government guesthouse in Doellnsee, dÃ¶llnsee in a wooded area to the north Of East, berlin And Walter ulbricht signed the order to close the border and erect A. wallhe USSR provoked the Berlin Crisis with an ultimatum demanding the withdrawal of Western armed forces from West Berlin âculminating in the city's de facto partition with the East German erection of the Berlin Wall.