Berlin hasn't come down...
if you mean when did the Berlin wall come down, this was in November 1989
It was torn down in 1989-1990
No. It came down on the 11th and 12th of November 1989.
1989
The Berlin Wall was brought down on 9 November 1989.
There was no wall that divided Russia. You could be referring to another wall, like the Berlin Wall, which divided Berlin, due to Russia involvement in Berlin, though Berlin is not in Russia. It started to come down in November 1989.
The Berlin Wall was opened in November 1989. Most of the wall has since been torn down, although parts of it still remain (they were still there in 2006 when I visited Berlin).
The Berlin wall was torn down in the twentieth century.
The Berlin wall was knocked down on the 9th of November, 1989
It fell down
Parts of it, but most of it was torn down by West Berlin excavation companies who had the machines needed to do it right.