The OSO is proudly celebrating its 25 anniversary this year! To mark this milestone, we are thrilled to host the first-ever Ball on Barnes Green on Saturday, 6th September. The evening will begin with a drinks reception outside the OSO, followed by a move into a stunning marquee for a delicious celebration dinner, live music, and dancing. It promises to be a truly unforgettable event! As part of our mission to raise £25k in 2025, the evening will also include raffles and auctions, offering you the chance to win amazing adventures and gifts while supporting the continued development of the OSO. Dress code: Black Tie. Additional Information and Terms and Conditions Accessibility: if you require additional support to attend this event, please email [email protected] so we can ensure your needs are provided for. All events will go ahead, whatever the weather, unless there are Met Office weather warnings in place. If this is the case you will have the option to request a refund or - as this is a fund-raising event for the OSO - consider donating the ticket price to cover the cost of running the event. Please note that this event is subject to final confirmation from Richmond Council that this event can take place on Barnes Green. In the unlikely event that permission is not granted, the price of your ticket will be refunded. OSO Members should note that their membership does not entitle them to flexible booking for this fundraising event. Unfortunately, due to the temptation of food, dogs will not be admitted. 18:00, Saturday 6 September 2025 Ticket - £125.00 Table of 10 - £1,250.00 Members Table of 10 -£1,200.00 Price includes a discount for one member and their guest, if your table includes more than one members, we suggest you book individual tickets for your table.

Writer/director Tama Matheson and author Dr Kate Vigurs discuss Nancy Wake, one of the Allies most formidable spies during World War II. Nicknamed the white mouse for her ability to evade capture; Nancy was brave, rebellious and on the Gestapos most wanted list. Dr Kate Vigurs is the author of Mission Europe a fascinating account of the women recruited to set Europe ablaze by the Special Operations Executive. Marking the 80th Anniversary of VE Day this year, Tama and Kate honour the women who resisted and disrupted the occupation of Europe. Dr Kate Vigurs is an historian, author and researcher, working in Political & International Studies at the University of Warwick. Ticket with Book is available for this event, representing a 25% saving on the book price when ordered in advance. Ticket only is 12.00 and Ticket with Book is 27.00