ヘルムート・ハインリヒ・ヴァルデマール・シュミットは何年間首相を務めた？
Helmut Heinrich Waldemar Schmidt (; 23 December 1918 – 10 November 2015) was a German politician and member of the Social Democratic Party of Germany (SPD), who served as Chancellor of the Federal Republic of Germany (West Germany) from 1974 to 1982.
1974 to 1982