Scientists say worst year to be alive was 536 AD. An unexplained fog that covered the sunlight and temperatures thus dropped across Europe, the Middle East. This led to failure of crops and also ill-timed snow. Crop failure led to famines across the world.

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Scientists say worst year to be alive was 536 AD. An unexplained fog that covered the sunlight and temperatures thus dropped across Europe, the Middle East. This led to failure of crops and also ill-timed snow. Crop failure led to famines across the world.