Please clarify which "Mount" you are referring to. There are many famous mountains around the world, each with their own notable eruptions.

For example, you might be thinking of:

* Mount Vesuvius: Famous for its eruption in 79 AD that buried Pompeii and Herculaneum.

* Mount St. Helens: Known for its devastating eruption in 1980.

* Mount Fuji: A dormant volcano in Japan, known for its beautiful cone shape.

* Mount Kilimanjaro: The highest mountain in Africa, which is not an active volcano.

Please provide more context or specify the mountain you are interested in.