1. In 1915, the first public library in Alaska was established in Ketchikan on September 9th. It was named the Ketchikan Public Library and Reading Room and was created through the efforts of the Ketchikan Women's Club.

2. September 9, 1955, marked the opening of the Eielson Air Force Base in Fairbanks, Alaska, which was named in honor of Carl Benjamin Eielson, a pioneering Alaskan aviator. The base was established to support the Cold War effort and served as an important airfield during the Vietnam War.

3. On September 9, 1960, Alaska officially became the 49th state of the United States, after more than 50 years of being a territory. The state's admission to the union followed a long and heated debate in Congress and the eventual approval of the Alaska Statehood Act on July 7th of the same year.

4. In 1994, the Alaska Native Heritage Center was inaugurated on September 9th in Anchorage as a cultural and educational institution dedicated to preserving and promoting the rich heritage of Alaska's indigenous peoples. The center features exhibits, performances, and workshops showcasing the traditions and art of Alaska Native peoples.

5. On September 9, 2002, the Tongass National Forest in Southeast Alaska was officially designated as the nation's largest national forest. The forest covers over 17 million acres and is home to a diverse range of flora and fauna, including Sitka Spruce, bears, bald eagles, and humpback whales.