Deletion of World Retail Congress

Comment: Not finding much coverage in reliable sources; as such, does not appear to meet . Thus far, regarding usable sources, I've found a passing mention in http://www.drapersonline.com/news/world-retail-congress-john-lewis-rules-out-international-stores/5064790.article this article and a brief mention in https://books.google.com/books?id=5iJq-FXb41kC&pg=PA284 this book
Stance: delete
Cited policy: Wikipedia:Notability (WP:EVENTCRIT)