Complex sentence: A third Millionaire Raffle was held in the run-up to Easter 2009; a fourth was held in the summer of 2009; and a fifth was held over the Christmas period 2009, with the drawing again held on New Year's Eve.
Split into simpler sentences: A third Millionaire Raffle was held in the run-up to Easter 2009, and a fourth was held in the summer of 2009. A fifth Millionaire Raffle was held over the Christmas period 2009, with the drawing again held on New Year's Eve.