What if the first great civilization to establish lasting contact with America had not been Spain or Portugal, but Ming China?

In this episode, we explore one of the most ambitious alternative-history scenarios imaginable: a world in which the maritime expeditions of Zheng He do not end in the fifteenth century, but continue across the Pacific until Chinese fleets reach the western shores of the Americas decades before Columbus.

In real history, the Ming dynasty already possessed enormous naval and organizational power. Between 1405 and 1433, Zheng He’s fleets sailed through Southeast Asia, India, Arabia, and East Africa on voyages larger than anything contemporary Europe could attempt. Yet China ultimately turned inward, abandoning oceanic expansion in favor of internal stability and defense of the mainland.

But what if the imp ...