Complex sentence: After army service with the Hanoverian 9th regiment of light dragoons, Stephenson joined with the English 3rd Dragoon Guards in 1796 seeing action at the Battle of Famars and the Siege of Valenciennes, and later being seriously wounded.
Split into simpler sentences: After army service with the Hanoverian 9th regiment of light dragoons, Stephenson joined with the English 3rd Dragoon Guards in 1796. He saw action at the Battle of Famars (1793) and the Siege of Valenciennes, and later being seriously wounded.