1. In 1910, the Adder System was invented in Clarksburg, West Virginia by J. Clarence Adder. This system was used in the telegraph industry and allowed for faster transmission of messages.

2. On May 30, 1922, the Buckhannon-Upshur High School in Upshur County burned down in a fire that started in the boiler room. The building was rebuilt and reopened as B-U Junior High School.

3. In 1930, the Steel and Coke Company, a subsidiary of U.S. Steel, opened the Weirton Steel Company in Weirton, West Virginia. This company became one of the state's largest employers and was credited with helping to establish Weirton as a thriving community.

4. On May 30, 1960, the first section of the Appalachian Trail in West Virginia was officially opened. This section, known as the "Harper's Ferry section," is approximately 16 miles long and offers scenic views of the Potomac and Shenandoah rivers.

5. In 1975, the West Virginia State Museum opened in Charleston. The museum houses a collection of artifacts and exhibits that showcase the state's history, culture, and natural resources. Among its displays are exhibits on coal mining, glass manufacturing, and the Civil War.