1. In 1908, the first U.S. post office was established in Nome, Alaska. This was a significant event because it helped improve communication and commerce flow in the remote region.

2. On August 5, 1922, a volcanic eruption occurred on Alaska's Katmai Peninsula. The eruption was one of the largest of the 20th century and is considered a historic event in the state's geology.

3. In 1937, construction began on the Alaska Highway. The highway was built to connect the contiguous United States to Alaska and served as a crucial military transportation route during World War II.

4. On August 5, 1957, the U.S. Department of the Interior authorized the creation of the Arctic National Wildlife Refuge in northeastern Alaska. The refuge spans over 19 million acres and is home to a diverse array of wildlife.

5. In 2013, United States Secretary of State John Kerry visited Alaska to discuss climate change and its impact on the state. His visit highlighted the growing concern among policymakers about the effects of climate change on Alaska's environment and native communities.