1. The Elizabethan era (1558-1603) N/A. Coal has been in use since ancient times though nothing major. He wasn't a full blown deity until the Industrial Revolution. 2. The Great Depression (1929-WWII) While demand for coal is no longer at it's peak it does little to stop his growth. Coal would be in West Virginia for most of the 1900s. He stays underground for the most part. 3. The 1960s Stupid hippies. 4. 1999 Stupid hippies with money.