1. Statehood Day: On September 15, 1863, West Virginia officially became a state, separating from Virginia during the Civil War. Since then, every September 15 has been celebrated as Statehood Day.

2. The Golden Delicious: West Virginia's state fruit is the Golden Delicious apple, which was first discovered by a farmer named Anderson Mullins in Clay County on September 15, 1914. The apple is now grown in many parts of the world and is famous for its yellow-green skin and sweet, juicy flesh.

3. Hatfield-McCoy Feud: The famous Hatfield-McCoy Feud, which lasted from 1863 to 1891 and is considered one of the deadliest family feuds in American history, originated in West Virginia on September 15, 1863, when Union soldiers killed Confederate soldier Asa Harmon McCoy.

4. Marooned Miners: In 2002, nine coal miners were trapped underground in the Quecreek mine in Somerset County, Pennsylvania, but several West Virginia mine rescue teams helped to rescue them on September 15 of that year. All nine miners were eventually rescued and became known as the "Miracle Nine."

5. The West Virginia University: On September 15, 1867, West Virginia University was founded as the Agricultural College of West Virginia. It is now a public research university located in Morgantown, West Virginia, and is known for its strong programs in medicine, engineering, and business.