Before revision: Vesuvius erupting, 1944 As for events in world history, the normalcy bias can explain why, when the volcano Vesuvius erupted , the residents of Pompeii watched for hours without evacuating.
After revision: 1827 illustration of the eruption of Vesuvius in 79 CEin 79 CE As for events in world history, the normalcy bias can explain why, when the volcano Vesuvius erupted , the residents of Pompeii watched for hours without evacuating.