<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?jioni ya agosti 13, 1961, polisi ya taifa ya ujerumani mashariki inaanza kujenga ukuta kwenye mpaka na berlin magharibi.  <response>: on aug 13, 1961 the communist eastern german government started construction of a wall circling west berlin. 