The last good April 1 press release was when Ryanair announced child-free flights: https://web.archive.org/web/20110401175103/http://www.ryanair.com/en/news/child-free-flights-from-october-2011
The last good April 1 press release was when Ryanair announced child-free flights: https://web.archive.org/web/20110401175103/http://www.ryanair.com/en/news/child-free-flights-from-october-2011