Original: Blackpool Illuminations is an annual Lights Festival , founded in 1879 and first switched on 18 September that year , held each autumn in the English seaside resort of Blackpool on the Fylde Coast in Lancashire .
Simplified: It was founded in 1879 and first switched on 18 September that year . It is held each autumn in the English seaside resort of Blackpool on the Fylde Coast in Lancashire .