Complex sentence: On 1 December 2010, Network Ten began broadcast into the area for the first time, with WIN announcing in May that it would broadcast the multi-channels of the Nine, Seven and Ten networks, including high-definition channels, by December 2011.
Split into simpler sentences: On 1 December 2010, Network Ten began broadcast into the area for the first time. In May 2011, WIN announced that it would broadcast the multi-channels of the Nine, Seven and Ten networks, including high-definition channels, by December 2011.