1. On March 25, 1964, Alaska experienced one of the largest earthquakes ever recorded. The 9.2 magnitude earthquake, known as the Good Friday earthquake, caused significant damage and triggered a tsunami that caused devastation across Alaska, Hawaii, and the Pacific Northwest.

2. In 1867, on March 25, the Treaty of Cession was signed in Sitka, Alaska. This agreement between the United States and Russia transferred ownership of Alaska to the U.S. for $7.2 million.

3. On March 25, 1944, during World War II, the first of 145,000 U.S. troops arrived in Alaska to begin construction of the Alaska Highway. The highway, which stretched from Dawson Creek, British Columbia, to Fairbanks, Alaska, was built to provide a land route to Alaska and improve military access to the territory.

4. March 25 is also National Medal of Honor Day, which recognizes the bravery and sacrifice of the members of the U.S. military who have received the Medal of Honor, the highest military decoration awarded by the U.S. government. Several Alaskans have been awarded the Medal of Honor, including Army Sergeant First Class Randall Shughart, who was posthumously awarded the medal for his heroism during the Battle of Mogadishu in 1993.

5. On March 25, 1989, the Exxon Valdez oil tanker ran aground and spilled over 11 million gallons of crude oil into Prince William Sound, Alaska. The oil spill caused significant damage to the environment and wildlife in the area and is considered one of the worst environmental disasters in U.S. history. The effects of the spill are still being felt today, over 30 years later.