Since '82 Federal Chancellor (elected by "constructive vote of no confidence" against former Chancellor Helmut Schmidt, Social Democratic Party (SPD); reelected 1983, 1987, 1991 and 1994). This makes Helmut Kohl the longest-serving chancellor of the Federal Republic, passing by Konrad Adenauer, the first chancellor, this October.
Helmut kohl could be the longest serving chancellor ever. 
( z1 possible :ARG1 ( z2 have-org-role :ARG0 ( z3 person :name ( z4 name :op "Helmut" :op "Koh" ) ) :ARG2 ( z5 chancellor ) :time ( z6 ever ) :ARG1-of ( z7 have-degree :ARG2 ( z8 long :ARG1 z2 ) :ARG3 ( z9 most ) ) ) )