Here are some interesting facts about October 21 in Alaska history. Here are five:

1. In 1966, a moderate magnitude 5.4 earthquake shook the city of Anchorage and caused some damages, but no injuries or fatalities were reported.

2. On October 21, 1980, Mike LeMieux and Marty Raney reached the summit of Mount Thor, a 1500-meter peak in Auyuittuq National Park, Baffin Island, in what is considered one of the toughest climbing feats in the world.

3. In 2001, the Alaska Permanent Fund Corporation made its largest payout so far, distributing more than $1.04 billion in dividends to Alaskans based on the state's oil revenues.

4. In 2013, an aircraft carrying nine passengers crashed in Soldotna, Alaska, killing all on board, including two children. The cause of the crash was related to weight and balance issues.

5. October 21, 2018, marked the 100th anniversary of the formation of Katmai National Park and Preserve. The park is home to one of the world's largest volcanic calderas, which also serves as a habitat for a wide range of wildlife, including brown bears, wolves, moose, and salmon.