Recap 04: Episodes 051 – 076 from the Concordat of Worms to the death of Holy Roman Emperor Frederick II

We stop for our usual recap to look back over episodes 051 to 076 going from the Concordat of Worms in 1122 to the death of Holy Roman Emperor Frederick II in 1250, with a look at the rise of the Commune city states and the maritime republics, Venice in particular.