Following their emergency temporal shunt, the Cult of Skaro materialised on Earth in New York City in the early 1930s. Here, they quickly established a base of operations and formed an "alliance" with a native of the region. Plans were then developed to ensure the survival of the Dalek race. Making use of their independent thought, the Cult determined that reversion to a humanoid form may enable them to survive. This concept rested uneasily with the concept of Dalek Supremecy and so the Dalek Factor – the mental makeup and the genetic roots of the race needed to be maintained.
To this end, the Cult instigated alterations to the construction of the Empire State Building – a laboratory was established at the lowest levels and a lightning conductor augmented by Dalekanium panels from Thay's casing would act as a catalyst for the amalgamation of themselves with Humans, as well as the instillation of the Dalek factor into a gathering of humans selected for conversion. Ultimately, this plan was foiled by the Ka Faraq Gatri and the new generation of Human Daleks was destroyed within hours of its creation. As the dust settled, only Dalek Caan survived to make an emergency temporal jump.