Samuel Langhorne Clemens earned his steamboat pilot's license.

塞缪尔·朗荷恩·克列门斯拿到了轮船舵手执照。

Samuel Langhorne Clemens earned his steamboat pilot 's license.

塞缪尔·朗荷恩·克列门斯拿到了轮船舵手执照。

On this day in 1859, a 23-year-old youth named Samuel Langhorne Clemens received his steamboat pilots license.

1859年的今天，一位名叫萨缪尔．朗贺恩．克莱门斯的23岁年轻人取得了他的汽船驾驶员执照。