Complex sentence: Under the command of Captain W. Gillett, on a voyage from Sydney to Batavia, leaving on 11 May 1826 she struck a reef off Eastern Fields, north-east of Thursday Island and was wrecked.
Split into simpler sentences: Under the command of Captain W. Gillett, on 11 May 1826 she left on a voyage from Sydney to Batavia. On the way she struck a reef off Eastern Fields, north-east of Thursday Island and was wrecked.