what date is the queen's official birthday 2016
The Royal Household is expected to make further announcements later this year about other events marking the Queen's 90th birthday on April 21 2016. On September 9 this year, she will become BritainÂ¹s longest reigning monarch, surpassing Queen Victoria, who reigned for 63 years and 216 days.HE Queen is to celebrate her 90th birthday next year with 7,000 people at a spectacular equestrian-themed party in Windsor Castle's Home Park. By Richard Palmer.