1. On March 3, 1913, the Alaska Native Brotherhood was formed in Sitka, Alaska. The organization was created to advocate for the rights of Alaska Native people and played a significant role in promoting social and political equality for Indigenous communities in Alaska.

2. In 1938, the Iditarod Trail Sled Dog Race was first run on March 3. The race, which covers over 1,000 miles from Anchorage to Nome, has become a beloved Alaska tradition and is considered the most famous sled dog race in the world.

3. On March 3, 1959, the U.S. Congress passed the Alaska Statehood Act, paving the way for Alaska to become the 49th state in the United States. The act was signed into law by President Dwight D. Eisenhower on July 7, 1958, and Alaska officially became a state on January 3, 1959.

4. The Good Friday Earthquake, one of the most powerful earthquakes ever recorded, struck Alaska on March 27, 1964. However, the earthquake was preceded by a foreshock on March 3, which registered a magnitude of 7.2. The foreshock caused significant damage to buildings and roads in the Anchorage area.

5. On March 3, 1983, Alaska Airlines Flight 441 crashed into a mountain near Juneau, Alaska, killing all 11 passengers and crew on board. The cause of the crash was determined to be a combination of pilot error, poor weather conditions, and inadequate communication between the flight crew and air traffic control. The crash remains one of the deadliest in Alaska aviation history.