Battle of Seramiphius V
The battle of Seramiphius V was a fateful engagement of the Last Great Time War fought at Seramiphius V, with Dalek and Time Lord forces clashing in space. (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe) Although most Dalek drones fielded during the Time War were equipped with bronze travel machines, (TV: The Last Day, et. al) Grey Daleks were deployed into this battle and flew throughout the space combat, aiding void-tanks and mega-saucers. The Time Lord force, meanwhile, made use of vessels plundered from Gallifrey's past, yet these ancient ships were unable to content with the superior Dalek technology on display. When Dalek historians researched the Time War, they placed their mention of this battle towards the start of their coverage of the conflict. (PROSE: Dalek: The Astounding Untold History of the Greatest Enemies of the Universe)
