1. In 1898, the first gold nugget of the Klondike Gold Rush was discovered in Alaska, which triggered a mass migration of prospectors to the region.

2. In 1935, the SS Aleutian was sunk by a Japanese submarine off the coast of Alaska during World War II, resulting in the loss of all 81 crew members on board.

3. In 1964, Alaska was hit by a massive 9.2 magnitude earthquake, the second largest earthquake in recorded history. The earthquake triggered massive landslides, tsunamis, and over 100 fatalities.

4. In 1993, the Exxon Valdez oil spill case was settled for $1 billion, which was the largest settlement ever awarded for environmental damages at the time. The oil spill caused significant damage to the ecology and economy of the region.

5. In 2008, Alaska's Mount Redoubt erupted for the first time in nearly 20 years, spewing ash and steam up to 65,000 feet into the air. The eruption affected air travel and resulted in significant financial losses for local businesses.