Complex sentence: The Poona Horse (17th Queen Victoria's Own) was a regular British Indian Army Cavalry regiment it was formed from the 3rd Regiment of Bombay Light Cavalry, raised in 1820, and the Poona Auxiliary Horse, raised about 1817-18.
Split into simpler sentences: The Poona Horse (17th Queen Victoria's Own) was a regular British Indian Army Cavalry regiment. It was formed from the 3rd Regiment of Bombay Light Cavalry, raised in 1820, and the Poona Auxiliary Horse, raised about 1817-18.