The History of the Square Kilometre Array (SKA) - Born Global

A brief review of the history of the Square Kilometre Array (SKA) from its pre 1990 roots and the global vision which emerged, at the VLA 10th anniversary meeting in 1990, to the major international project we have today. I comment on the evolution of the science and the technology that has occurred during this period. Finally, we can ask: "What have we learned?"