Complex sentence: The St. Giles and St. George's Bloomsbury Volunteers were established at the beginning of the 19th century and are recorded as on parade (600) strong at a review in Hyde Park in 1803.
Split into simpler sentences: The St. Giles and St. George's Bloomsbury Volunteers were established at the beginning of the 19th. Century and are recorded as on parade (600) strong at a review in Hyde Park in 1803.