Once called the "Queen of the Danube," Budapest has long been the focal point of the nation and a lively cultural centre.
Budapest was once called the "Queen of the Danube"
( z1 call :ARG1 ( z2 city :name ( z3 name :op "Budapest" ) ) :ARG2 ( z4 queen :mod ( z5 river :name ( z6 name :op "Danube" ) ) ) :time ( z7 once ) )