Leaving the port of Bremenhaven on June 18th, and halting at Heligoland for four days to train its crew, it made its way across the Atlantic in sixteen days. 佚名.神奇的知识之书.
In 1890 he had acquired the small island of Heligoland from Britain. 赫伯特·乔治·威尔斯.世界史纲.