Complex sentence: The village's most famous inhabitant, John Boyd Dunlop, was born at a Dreghorn farm in 1840, and in 1887 when practicing as a veterinary surgeon in Belfast he invented pneumatic tyres for bicycles.
Split into simpler sentences: The village's most famous inhabitant, John Boyd Dunlop, was born at a Dreghorn farm in 1840. When practicing as a veterinary surgeon in Belfast, in 1887 he invented pneumatic tyres for bicycles.