The deadliest blizzard in history began in Iran and continued for a week leaving more than 4,000 people dead.

1972 Iran blizzard

Deadliest blizzard in history

The Iran blizzard of February 1972 was the deadliest blizzard in history, as recorded by the Guinness Book of Records. A week-long period of low temperatures and severe winter storms, lasting 3–9 days in February 1972, resulted in the deaths of over 4,000 people. Storms dumped…