The Medieval Warm Period was from about 950 to 1250 AD. It was a world wide event.

There is a link below to an article on it.

The medieval period, in Europe, was warmer than today. This warm period and the cooler period afterwards was only part of the ice age we have lived in for the past 2.6 million years.

there was the medieval warm period which lead the vikings to colonize Greenland

the postmodernists.

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A+ -- Medieval period

They are related because during the medieval period Christendom had begun.