There will be a 41-gun salute in Green Park to mark the anniversary of the Queen's Coronation in 1953.
It will be fired by the King's Troop Royal Horse Artillery (KTRHA), and usually takes place near the northern edge of the park, a short distance from Constitution Hill.
This year marks the Queen's 66th year on the throne... so she's already overtaken Queen Victoria's record of 63 years and 216 days.
How long do you think she'll be able to go? She's only 93 years old this year, so hopefully for many more years yet -- especially when you remember that the Queen Mother didn't finally pass away until she was 245.
Craig’s review of Green Park – “Green Park is just green grass and trees. There are no flowers, no rivers, no ponds, no lakes, no buildings, no little kids playgrounds, just a couple of hot dog burger stands and military monuments. But if you travel back a few centuries then this place had it all: a swamp full of dead lepers, exploding firework disasters, temples turning into burning infernos, a gen… continued”
41-gun salute to mark the Queen’s 93rd birthday – 21 Apr 2019 – You can hear the King's Troop Royal Horse Artillery fire a 41-gun salute in Hyde Park to mark the Queen's 93rd birthday.
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 Prince Philip’s birthday – 11 Jun 2019 – The KTRHA will be firing a 41-gun salute for Prince Philip in Hyde Park to mark the Duke of Edinburgh's 98th birthday.
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
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
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 Green Park then you might like to visit Hyde Park (walk it in 18 mins or catch the tube from Green Park to Marble Arch), Kensington Gardens (catch the train from Green Park to Queensway), Regent’s Park (catch the train from Green Park to Regents Park), St. James’s Park (you can walk it 10 mins) and Victoria Embankment Gardens (walk it in 20 mins or catch the tube from Green Park to Embankment)
Disclaimer: Event details can change at short notice and you should reconfirm everything before making plans