Wikipedia:Articles for deletion/Sapphire Jubilee of Elizabeth II
The event did occur, it was observed (see http://www.cnn.com/style/article/queen-elizabeth-sapphire-jubilee/index.html 1), even inspired the http://www.theenquirer.co.uk/green-credentials-for-new-centre/ name of a building, and it does appear in numerous reliable sources. The fact that it is the first sapphire jubilee for an English monarch also points towards notability. So, even though Liz II evidently http://www.telegraph.co.uk/news/2017/01/28/blue-sapphire-jubilee-queen-will-not-celebrate-65th-anniversary/ decided to stay in for the occasion, it still meets 
— User:PohranicniStraze, 06:34, 17 September 2017 (UTC)
Stance: keep
Cited policy: WP:EVENT (Wikipedia:Notability)