1. On July 13, 1957, the first nuclear explosion in Alaska took place as part of Operation Plumbbob. This was a series of nuclear tests conducted by the United States government during the Cold War.

2. July 13, 1985 marked the day that the Achille Lauro hijacking began. The Italian cruise ship was hijacked by members of the Palestine Liberation Front, and the incident resulted in the murder of one passenger.

3. In 2013, July 13 was the start of the Sockeye wildfire, which burned thousands of acres of forest in Alaska. The fire was caused by lightning, and required significant resources to be contained.

4. On July 13, 2008, the Golden Days Parade was held in Fairbanks, Alaska. The parade is a major event in the city's annual Golden Days Festival, which celebrates the history and culture of the area.

5. July 13, 2007 marked the day that the Alaska Superstation was launched. This was a satellite television network that broadcast news and entertainment programming from Alaska to viewers across the United States. The network was eventually merged with another network in 2013.