1) Science fiction fandom
Found on
https://www.crosswordclues.com/clue/eastercon
Eastercon is the common name for the British national science fiction convention. From 1948 until the 1960s, the convention was held over the three-day Whitsun bank holiday at the end of May. It has taken place over the four-day Easter holiday weekend ever since then. The pre-1960s conventions are generally considered to have been `Eastercons` e.....
Found on
http://en.wikipedia.org/wiki/Eastercon
No exact match found.
