1. In 1971, the Alaska Native Claims Settlement Act was signed into law on May 25th. This landmark legislation granted native Alaskans the right to receive financial compensation and land rights in exchange for surrendering land claims and ending a long-standing legal dispute.

2. On May 25th, 1989, the Exxon Valdez oil spill occurred in Prince William Sound, Alaska. The oil tanker spilled 11 million gallons of crude oil into the ocean, causing significant damage to the environment and wildlife in the area.

3. In 1915, the U.S. Congress created Mount McKinley National Park (now Denali National Park and Preserve) in Alaska on May 25th. The park covers over 6 million acres and is home to North America's tallest mountain.

4. On May 25th, 1927, aviator Wiley Post became the first person to fly solo around the world. Post flew from New York City to Europe, Asia, and finally back to North America, completing the journey in just over 8 days.

5. May 25th is recognized as National Missing Children's Day in the United States. The day was first observed in 1983, and now honors the efforts of law enforcement agencies, families, and individuals who work to prevent child abductions and support the safe recovery of missing children.