Complex sentence: James Lynch, Thomas Hall, Squance and Benjamin Clough arrived at Galle on 29 June 1814, while Thomas, Squance and Clough arrived at Weligama a day later.
Split into simpler sentences: James Lynch, Thomas Hall, Squance and Benjamin Clough arrived at Galle on 29 June 1814. While Thomas, Squance and Clough arrived at Weligama a day later.