She turned 90 on April 21 but this weekend was chosen to celebrate the occasion with a string of events in the Royal household and parties in communities across the country.
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All Wolverhampton school children will enjoy a special menu to mark the day, while primary schools are expected to host street parties in their dining rooms with Union Flag trays and bunting.
On Friday the Wolverhampton Male Orpheus Choir and Compton Hospice Choir will sing together for the hospice at St Mary's Church in Bushbury in a special concert, a culmination of events to mark the Queen's birthday, from 7.30pm.
Long Knowle Community Centre, on Wood End Road in Wednesfield, will host an afternoon of lunch, arts and crafts activities, face painting and entertainment from a local dance school to celebrate on Saturday.
On Sunday, Slater Street will be closed to traffic from around 11am, with a street party taking place there from 11.30am.
Another party will take place in the city from 2pm until 4pm at St Philip's Church, Church Road, on the same day. It will feature country dancing, afternoon tea, a giant chess board and sandpit.
All are welcome but those wishing to go along are asked to join the guest list online. For more information, visit www.eventbrite.co.uk/e/the-queens-90th-birthday-festival-tickets
Cannock Chase Hospital's Fairoak ward was being adorned with special decorations and a birthday buffet laid on today.
In Cannock, a free all-day event is taking place on Saturday at the community centre on Bevan Lee Road. There will be a bouncy castle set up along with face painting, a Royals-themed fancy dress competition for children aged three to 10 years old, a magic show, and a DJ.
At Lichfield Cathedral there will be a whole weekend's worth of events.
They will kick off at Saturday when the Cathedral's bells will ring out from 11am in honour of the Queen's 63-year reign. On Sunday, there will be a Congregational Eucharist with hymns. That will be followed by an event Vivat Regina! which will give thanks for the Queen's 90 years from 11am.
There will be a return of the city's Big Lunch from 12.30pm, which will take place on the Cathedral's lawns. Visitors can take their own picnic, or buy a meal from a number of food stalls.
Following that, there will be what organisers say will be a Songs of Praise-style service, which will reflect different parts of Her Majesty's life.
Dean of Lichfield, the Very Rev Adrian Dorber, said: "This is an historic occasion for our country, and it seems fitting that we should celebrate Her Majesty's 90th birthday with some memorable services and events here at the cathedral."
Stafford College will be running its own street party on Saturday from 11am until 2pm at its Earl Street campus and Palmbourne Technology site.
Not only will people be able watch the Trooping of the Colour ceremony live from London, football fans will also be able to watch England's opening Euro 2016. College principal Ian Clinton said: "The Queen's 90th is a significant milestone in British history and is well worth celebrating.
"We've even got a contingency plan to move everyone inside our state-of-the-art library should the typical Great British weather decide to let us down on the day."
Three churches in Whittington, Weeford and Hints will be celebrating the Queen's birthday in a packed weekend from Friday to Sunday with services, a fete and Party in the Park.
A concert is taking place at the Great Wyrley Sports and Social Club on Walsall Road on Saturday. Guests can expect performances from The Millertones Swing Band and guest vocalists Barbara Taylor and Ron Sherwood. Meanwhile, a special guest appearance will be made by The Salvation Army Band. The concert is taking place between 8pm and 11pm with admission £3.
A three-day celebration will kick off in Stourbridge's newly refurbished Mary Stevens Park tomorrow. It will be filled with a market of royal-related crafts and stalls, children's rides and local performers will show their skills. A dog show will be held on Saturday.
On the same day, special food will be served and red, white and blue will be decked along High Acres in Kingswinford for a Royal street party there. Bands will take to the stage for a sing-a-long from 7pm. And Dudley mayor Councillor Mohammed Hanif has been invited to join a number of parties. Those include a street party at Netherton Primary School on Saturday and an all faith celebration at All Saints Church in Sedgley on Sunday.
In Walsall on Saturday a special community event will be held at St Matthew's Church, on St Matthew's Close. Activities are free and organisers hope to draw in as many as 1,000 people.
Trainee minister Kate Watson said: "The donkey rides are free, the bouncy castle is free. We want to make it as accessible as possible for everybody.
"St Michael's really values its place in the local community and it is the second year that it has held a community day. It's a combination of community based activities around St Michael's Church."
Walsall Housing Group has arranged a free event for people in Goscote on the same day – with lots of things including a tea party and a barbeque at Tots Care on Harden Road. Barr Beacon School will tomorrow hold a competition for pupils celebrating the Queen's birthday in an unusual way. Youngsters will be taking part in Hats Off to the Queen and have been asked to come to school in a hat of their choice. And schoolchildren will dress in red, white and blue for a Queen's birthday picnic at Yewtree Primary School in Walsall tomorrow, while others at Bluecoat Junior School will also be holding a similar event.
Brunswick Park in Wednesbury will host a Garden Party in the Park. The event will start at noon with the raising of the Union Flag. The Friends of Brunswick will celebrate with live entertainment, including a performance from the Black Country Brass group.
On Saturday a street party will be held on Haden Road in Tipton from 5pm until 11pm and a parade will be taking place at Holy Trinity Church in West Bromwich, from 2pm until 3.30pm.
And on Sunday there will be further street parties on Elm Croft in Oldbury from noon to 4pm; Monmouth Road in Smethwick, from 11am until 2pm; on Borough Crescent in Oldbury from 2pm until 6pm; and on Essex Avenue in West Bromwich from midday until 6pm.
Meanwhile residents of Allerton Court on Hydes Road in West Bromwich will hold a vintage tea party. Others will be had at The Gables Nursing Home in Oldbury and by pupils from Summerhill Primary School in Tipton.