https://en.wikipedia.org/wiki/April_Fools'_Day_Request_for_Comments
A Request for Comments (RFC), in the context of Internet governance, is a type of publication from the Internet Engineering Task Force (IETF) and the Internet Society (ISOC), usually describing methods, behaviors, research, or innovations applicable to the working of the Internet and Internet-connected systems.. Almost every April Fools' Day (1 April) since 1989, the …