When was the black light invented?

Question

I know it was discovered not created, but when? what year?

Answer 1

Black light (also Wood's light) is the common name for a lamp emitting electromagnetic radiation that is almost exclusively in the soft near ultraviolet range, and very little visible light. In many areas this type of lighting is more commonly referred to as simply "UV light". The black light was invented by William H. Byler.

It is created accoring to Wikipedia.