Things to do in london.

BLOOD: Today’s opportunities to donate blood are at Cathedral Hall in Victoria and Trent Park Golf Centre in Oakwood. Free, see site for terms and conditions

LITERARY FESTIVAL: The Daunt Books Festival kicks off today at the Marylebone store. Events include author talks, recipe demonstrations and a walking book club. A full programme is available here, but many events are already sold out, so get in quick. Until 28 March

CREATIVE FESTIVAL: The British Library’s Spring Festival begins today with a variety of events offering a unique opportunity to explore the library’s collections. Today’s event is a workshop on protecting your creative copyright. Free, prebook, 10am. Festival runs until 31 March

SUTTON HOO TREASURE: The famous medieval treasure of Sutton Hoo goes on display at the British Museum today in a new exhibition of medieval collections. Free, just turn up,

MYSTERY TALK: As part of English Tourism Week, Guildhall Library holds a free lunchtime talk about the disappearance of Elizabeth Canning, a mystery dating back 250 years. Free, just turn up, 1-1.30pm

ACTING MEMOIRS: Veteran actor Andrew Sachs takes part in a National Theatre Platform, where he discusses his memoirs with David Cohen. Followed by a book signing. £4, prebook, 6pm

TV-STYLE TRIVIA: Head to the Grant Museum of Zoology for an evening of mystery-solving. Animal, Vegetable, Mineral sees the public pitted against museum curators and experts in trying to identify objects from the museum’s collection. Free, just turn up, 6.30pm

FUNDRAISING LECTURE: St Pancras Old Church hosts a fundraiser in the form of a lecture by Dr Peter Foley about visionary bishop Jeremy Collier. Minimum donation £10, prebook, 6.30pm

LEARN TO UKE: It’s never too late to learn an instrument, so why not try the ukulele at this informal taster session? No experience is necessary. Takes place at The Royal George on Charing Cross Road. £28, prebook, 7pm 

POP UP OPERA: Pop-up opera is a touring opera company aiming to make opera more accessible to everyone. Tonight it holds a performance of Bizet’s Doctor Miracle in Hackney Wick. £12, prebook, 7.30pm

STORY JAM: Storytime isn’t just for kids. Celebrate the changing of the clocks at Story Jam O’Clock in Forest Hill. Storytellers include Emily Parrish, Susannah Gill and Lewis Barfoot. £7/£6, just turn up, 7.30pm

BURLESQUE CABARET: Lolo Brow’s Cabaret Derangium brings comedy, art, music and cabaret together for one evening at Marylebone Gardens. Features award-winning cabaret star Coco Deville. £10, prebook, 7.30pm

IMMIGRATION FILM: DocHouse screens documentary film Stop-Over at Riverside Studios in Hammersmith. The film tells the story of Iranian illegal immigrants in Athens. Followed by a panel discussion. £7, prebook, 8pm