1. In 1967, Alaska officially became a state of the United States on September 30th. This historic moment came after decades of efforts from Alaskan politicians and citizens to gain statehood status.

2. On September 30, 1927, aviator Charles Lindbergh landed his plane in Mendenhall Valley, Alaska. This was part of his famous tour of the United States to promote aviation and inspire a love of flying in the public.

3. In 1943, the US Army started construction on the Alcan Highway, which runs from Dawson Creek, British Columbia to Delta Junction, Alaska. The road was built in response to the Japanese threat to Alaska during World War II and was completed just eight months later.

4. On September 30, 1982, the Exxon Valdez oil spill cleanup came to an end. This catastrophic event had occurred on March 24 of the same year, when the tanker ran aground and spilled over 11 million gallons of crude oil into Prince William Sound.

5. In 2004, Governor Frank Murkowski declared the Alaska Native Languages to be official languages of the state. This decision was made to preserve and promote the use of Indigenous languages in Alaska, which had been in decline for decades. September 30 is now recognized as Indigenous Peoples Day in Alaska in honor of the state's Native communities.