Complex sentence: The first USS "Tigress" was a schooner of the United States Navy that took part in the Battle of Lake Erie in 1813, which in September 1814 was captured by the British and subsequently served in the Royal Navy as HMS "Surprise".
Split into simpler sentences: The first USS "Tigress" was a schooner of the United States Navy which took part in the Battle of Lake Erie in 1813. In September 1814, the schooner was captured by the British and subsequently served in the Royal Navy as HMS "Surprise".