What if the potato takes hold in Europe had gone differently?

A South American tuber becomes the calorie base of the northern European poor.

If it had gone differently: Northern Europe stays one bad grain harvest from famine; its population never surges.

The real history on Wikipedia ↗

Later turning points that leaned on the potato takes hold in Europe. Change it in the game and the ripples reach all of these.

1. 1740Europe's population boom. Without it, Without a surplus of hands and mouths, there is no cheap urban workforce waiting for the factories.
2. 1780The Industrial Revolution. Without it, Growth stays flat and Malthusian; most people alive in 1900 live about as their great-grandparents did.