In 1596 the Polish king decided to move the capital from Krakow to Warsaw, making Warsaw the most important city in Poland.
Krakow at one point was a capital city
( z1 have-org-role :ARG0 ( z2 city :name ( z3 name :op "Krakow" ) ) :ARG1 ( z4 city ) :ARG2 ( z5 capital ) :time ( z6 point :mod ( z7 one ) ) )