There will be a 41-gun salute in Hyde Park to mark the Duke of Edinburgh's birthday (better known as Prince Philip).
It will be fired by the King's Troop Royal Horse Artillery (KTRHA), and take place in the north-eastern corner of the park, a short distance from Speaker's Corner.
The old fella is getting on a bit now -- can you believe that he's going to be 98 years old this year? And he probably still works ten times harder than me!
Important note: Prince Philip's birthday is actually on the 10th June, and that's when they usually hold the gun salute. But for some unknown reason they have pushed it back to the 11th this year.
Craig’s review of Hyde Park – “I don't get on very well with the sun. Put it this way: we're not friends. If I'm going to be walking around a park for two hours then I usually like to do it in the rain -- but it's sunny today. It's hot enough to boil the tears off my cheeks. So if I wilt halfway round then you'll understand why, because Hyde Park is a lot bigger than it looks on a map. I'm startin… continued”
British Summer Time Festival in Hyde Park – 8 to 14 Jul 2019 – Headline acts for this year's British Summer Time Festival includes Robbie Williams and Florence + The Machine
RHS Chelsea Flower Show – 21 to 25 May 2019 – The RHS Chelsea Flower Show is the gardening equivalent of Ascot, and is held in the grounds of Christopher Wren's Royal Hospital.
41-gun salute, to mark the Queen’s Coronation – 2 Jun 2019 – The King's Troop Royal Horse Artillery will be firing a 41-gun salute to mark the 66th anniversary of the Queen's Coronation.
Wireless Festival in Finsbury Park – 5 to 7 Jul 2019 – The Wireless Festival is coming back to Finsbury Park in the summer for three more days of music
LOVEBOX Festival in Gunnersbury Park – 12 to 13 Jul 2019 – The Lovebox Festival is returning to Gunnersbury Park in the summer for another great weekend of music
Check out our guide to all the daily parades in London
Here are some more free events in London if you want a cheap day out
If you enjoy Hyde Park then you might like to visit Green Park (walk it in 18 mins or catch the tube from Marble Arch to Green Park), Kensington Gardens (walk it in 16 mins or catch the tube from Marble Arch to Queensway), Regent’s Park (catch the train from Marble Arch to Regents Park) and St. James’s Park (walk it in 28 mins or catch the tube from Marble Arch to St Jamess Park)
Disclaimer: Event details can change at short notice and you should reconfirm everything before making plans