Climate probably stopped Mongols cold in Hungary

Oak tree ring data suggest that Hungary experienced a minor climate shift from 1242 to 1246, which may have hampered Mongol efforts to invade and control the region.
Willy Tegel
Oak tree ring data suggest that Hungary experienced a minor climate shift from 1242 to 1246, which may have hampered Mongol efforts to invade and control the region.
Willy Tegel