Deletion of Hackerence

Comment: no indications of notability and sourcing is insufficient to meet GNG. The article written as an essay; with vague language which is not back by sources or citations. Not quite , but close
Stance: delete
Cited policy: Wikipedia:What Wikipedia is not (WP:PROMO)

Comment: The party is mentioned briefly in a few book sources,{{cite book|author1=Mark J. P. Wolf|author2=Toru Iwatani|title=Video Games Around the World|url=http://books.google.com/books?id=pZb5CAAAQBAJ&pg=PA460|date=1 May 2015|publisher=MIT Press|isbn=978-0-262-52716-3|pages=460–}}{{cite book|author1=Daniel Goldberg|author2=Linus Larsson|title=Minecraft, Second Edition: The Unlikely Tale of Markus "Notch" Persson and the Game that Changed Everything|url=http://books.google.com/books?id=xKrSCQAAQBAJ&pg=PT39|date=16 June 2015|publisher=Seven Stories Press|isbn=978-1-60980-686-6|pages=39–}}{{cite book|author1=Daniel Goldberg|author2=Linus Larsson|title=Svenska hackare: En berättelse från nätets skuggsida|url=http://books.google.com/books?id=91JQAgAAQBAJ&pg=PT216|date=5 November 2013|publisher=Norstedts|language=Swedish|isbn=978-91-1-303344-0|pages=216–|quote=Ur 1980 och 1990 talens demopartyn bildades datorfestivaler som Hackerence, The Gathering och Dreamhack.}} but among online source I do not find any that makes it meet 
Stance: delete
Cited policy: Wikipedia:Notability (WP:NEVENT)