1. The first recorded snowfall of the season often occurs on or around October 31 in many parts of Alaska. This marks the transition to winter weather and brings excitement for winter sports enthusiasts.

2. In 1867, on October 31, the United States officially took possession of Alaska from Russia. This became known as the Alaska Purchase and changed the course of the state's history forever.

3. In 1985, October 31 marked the end of the fishing season for crab fishing boats on the Bering Sea. This was later popularized in the television show "Deadliest Catch."

4. On October 31, 1908, the first airplane flight in Alaska took place as James Martin took off in a homemade aircraft in Fairbanks. This marked a significant moment in the state's aviation history.

5. In 1971, October 31 was the deadline for Alaska Native Corporations to select the lands that they would receive under the Alaska Native Claims Settlement Act. This landmark legislation recognized the rights of Alaska Natives and provided significant economic benefits to the region.