The following month, in September 1914, Mackensen served in the Polish campaign, leading the siege of Warsaw and the attack on Lodz, by which time he had been appointed commander of Ninth Army;

1914年9月，马肯森在波兰战役中指挥了对华沙的围攻和对罗兹的进攻，这时他指挥第九集团军。

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At the time of the attack by the Schleswig-Holstein - which was moored in the Polish harbour on a friendship visit - Gdansk was known as the free city of Danzig.

BBC: Poland remembers World War start