EDM Sauce has created an infographic called "Significant Events in Electronic Music History" to help educate fans. The infographic is a solid overview of electronic music—especially for fans who recently became interested in electronic music.
Some notable events are missing, including Tiesto playing at the 2004 Summer Olympics and Orbital performing at Glastonbury Festival in 1994 when performing live music without traditional instruments was frowned upon. However, we realize that it's very difficult to put together a list of this magnitude.
Check out the infographic below!