The First Battle of Tumbleton was a major altercation during the Targaryen civil war known as the Dance of the Dragons. It is most famously remembered for the defections of Ser Hugh Hammer and Ser Ulf the White from the sides of the blacks to the greens. It wzs fought between the blacks, led by lord Roderick Dustin, and the greens, led by Lord Ormund Hightower. It ended in a win for the greens.