I will reply to myself. The cold winter of 1658 froze the Great Belt, and allowe...

mongol on July 13, 2021 | parent | context | favorite | on: Night of the Guillotine: The Fall of Robespierre

I will reply to myself. The cold winter of 1658 froze the Great Belt, and allowed Swedish troups to march over the ice from Jutland to Zealand. This led to Swedish victory over Denmark and the Treaty of Roskilde. This ceded significant territory to Sweden, much of which is Swedish to this day.

https://en.wikipedia.org/wiki/March_Across_the_Belts

gerikson on July 14, 2021 [–]

Hardly world-changing, in the grand scheme of things (and I say that as a Swede).