| Saturday 3rd June |
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| A few weeks before the King's official birthday parade, there's a rehearsal of the Trooping the Colour. |
 | 9am to 1pm |
|  | Whitehall |
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| Ffree entry to the Musical Museum all day to launch the 1980s exhibition. |
| 10am to 4pm |
| | Brentford |
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| Occasional open day at a museum of domestic "clutter" housed in an old farm barn. |
| 10:30am to 4pm |
| | Upminster |
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| This summer London's fire stations be opening their red doors to the public for a number of open day events across London. |
| 12pm to 4pm |
| | Plaistow |
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| Sunday 4th June |
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| This annual event is steeped in history and a wonderful opportunity to see the gentle giants of the horse world in action. |
| 10am to 5pm |
| | Enfield |
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| Monthly open day at the museum to London's first international airport - in Croydon. |
| 10am to 4pm |
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| Visitors to the mill are given a full guided tour covering the history, operation and principal features of Shirley Windmill. |
| 11am to 4pm |
| | Croydon |
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| This summer London's fire stations be opening their red doors to the public for a number of open day events across London. |
| Starts at 12pm |
| | New Malden |
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| Monday 5th June |
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| Ahmadreza Schricker discusses his newest project, the transformation of the abandoned Argo beer factory in downtown Tehran into a new museum, artist residency and cultural centre |
| 5pm to 6:30pm |
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| We shape our buildings; thereafter they shape us. Lord Gus O’Donnell talks about life in Number 10, hosted by Peter Murray OBE |
| 6:25pm to 8:15pm |
| | Fleet Street |
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| Isabella Rossellini, Adam Rutherford, Lucy Cooke and Sabrina Imbler rethink animal sexuality |
| 7pm to 8:30pm |
| | Camden |
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| In conversation with Martha Lane Fox. |
| 7:15pm to 8:30pm |
| | Camden |
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| Tuesday 6th June |
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| At this Heritage Late you can experience what that might have been like by getting inside a modern ‘iron lung’ called the Exovent. |
| 6pm to 8pm |
| | Regent Street |
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| A journey into the heart of Soho with acclaimed artist and writer Darren Coffield and biographer Lilian Pizzichini. |
| Starts at 7pm |
| | Soho |
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| What does it take to be a TV chef and does the reality live up to fiction? |
| 7pm to 8:30pm |
| | Camden |
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| Wednesday 7th June |
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| The Thames Flood Barrier is closed once a month for test purposes, where all the gates are closed at the same time. |
| 9:35am to 12:05pm |
| | Woolwich |
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| This groundbreaking guide will take you through the city streets to uncover the scandalous, hilarious and empowering events of London’s queerstory. |
| 6:30pm to 8pm |
| | Soho |
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| Paperclips, biscuits and pockets – join Helen Pilcher in celebrating the joy of the small yet mighty inventions that make our world go round. |
| 7:30pm to 8:30pm |
|  | Online |
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| Thursday 8th June |
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| Came and see St John the Baptist, Holland Road which is one of the most remarkable churches in London. |
| 11am to 12:15pm |
| | West Kensington |
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| A talk about the individuals who mentored the Royal Hospital for Neuro-disability in its early years. |
| 1pm to 2pm |
| | Online |
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| Join Robin Ince and a panel of scientists to explore how the biggest experiments on Earth can help us unravel the cosmos's deepest mysteries. |
| 6:30pm to 8:30pm |
| | St James |
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| An evening of debate with acclaimed historians Dr Nicola Tallis, Nathen Amin and Matthew Lewis who will give their own theories on what happened. |
| 6:30pm to 8pm |
| | Southwark |
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| Friday 9th June |
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| Explore propaganda in the British Civil Wars with Jason Peacey, as he highlights the role that pamphlets and newspapers played in the lives of soldiers of all ranks. |
| 12pm to 1pm |
| | Chelsea |
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| This talk explores the finest examples of medieval illumination found in the collections at The National Archives. |
| 2pm to 3pm |
| | Online |
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| An evening of Art Deco decadence and 1930s entertainment while exploring LGBTQ histories. |
| 7pm to 10pm |
| | Eltham |
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| Saturday 10th June |
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| A floating market with a mix of canal traders, crafters and makers, browse for gifts not available on the high street. |
| All day |
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| A weekend where over a hundred normally private garden squares and spaces open to the public. |
| All day |
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| This exhibition presents the stories of Londoners of African, Caribbean, Asian and Indigenous heritage who lived and worked in the city between 1560 and 1860 and are recorded in London’s archives. |
| 10am to 4:30pm |
| | Clerkenwell |
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| The Festival will feature re-enactments of the Battles of Barnet 1471 and the Second Battle of St Albans 1461. |
| 10:30am to 5pm |
| | Arkley |
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| The Horniman Gardens is hosting 13 specialist plant nurseries and a diverse line-up of gardening experts in its 16 acres of displays and parkland |
| 11am to 4pm |
| | Forest Hill |
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| You should be aware that a thousand or so people will be cycling around London wearing, well, rather less than is usual. |
| 11am to 4pm |
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| This event brings together around 40 of the leading antiquarian map dealers as well as hundreds of visiting dealers, collectors, curators and map aficionados from all parts of the world. |
| 12pm to 7pm |
| | South Kensington |
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| The Fair in the Square is a free community event that showcases local businesses, organisations and societies with stalls around Pond Square and along the length of South Grove. |
| 12:30pm to 5:30pm |
| | Highgate |
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| Twickenham and Thames Valley Beekeepers' Association is pleased to announce that there will be an Open Day at the apiary. |
| 1pm to 4pm |
| | Twickenham |
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| Explore the curious corners of your amazing body. |
| 2pm to 3:15pm |
| | Hanover Square |
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| Astronomer Chris Impey takes us on a journey of space exploration to discover the latest research into life beyond our planet. |
| 7pm to 8:30pm |
| | Hanover Square |
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| The Bow Bells will ring on 10th June 2023 as the Museum of London Docklands marks its 20th anniversary with a street party celebrating the history, cultures and communities of the East End. |
| Starts at 7pm |
| | Poplar |
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