When the Berlin Wall fell in early November, 1989 Berlin's east and west sections were rejoined to create the third-largest city in Europe , with a population of about 3 million.
Berlin was split into East and West sections prior to 1989
( z1 split :ARG1 ( z2 city :name ( z3 name :op "Berlin" ) ) :ARG2 ( z4 section :mod ( z5 east ) :mod ( z6 west ) ) :time ( z7 prior :op ( z8 date-entity :year 1989 ) ) )