"Japan suffered one of the three worst famines in its history in 1783-86, when exceptional cold destroyed the rice harvest and as many as 1m people died. Special crews had to be hired to clear the roads of the dead. In Japan this famine is usually attributed to another volcanic eruption, that of Mount Asama, but its impact was small compared with Laki's."
In 1783 Laki erupted:
http://www.economist.com/node/10311405
"Japan suffered one of the three worst famines in its history in 1783-86, when exceptional cold destroyed the rice harvest and as many as 1m people died. Special crews had to be hired to clear the roads of the dead. In Japan this famine is usually attributed to another volcanic eruption, that of Mount Asama, but its impact was small compared with Laki's."