Before Mikey rewrote history, climate scientists actually did science.
In the opinion of M. Auguste Bouchayer, scientist and engineer, there were no glaciers in Europe in the Middle Ages. In a recent communication to the Dauphine Scientific Society, he submits the conclusion that since the Middle Ages there has been a considerable fall in the maximum summer temperature. Consequently winter snows and ice accumulations which were formerly melted in summer are no longer dissipated.
Kalgoorlie Miner 14 August 1929
h/t to Ivan