Philip Larkin, poet & librarian, was born today 1922 (died 1985) - his plaques in Hull & Belfast (cc @larkinquotes) http://t.co/rgicooX4

Bertrand Russell, mathematician, writer & philosopher died today aged 97 in 1970. Plaque in Bury Place, Camden http://t.co/G72pZywk

Arthur Conan Doyle, Scottish author of the Sherlock Holmes stories died today 1930. His 8 plaques in Scotland & England http://t.co/PreGcDTt

Happy 206th birthday John Stuart Mill, utilitarian philosopher & Liberal MP - Kensington Sq, London plaque @rbkcculture http://t.co/XsKa2OYY

Ian Curtis of Joy Division died today 1980 aged 23 - plaque where Joy Division recorded in Rochdale from 1978 onwards http://t.co/VUWoAsSn

Knitted jackets for bollards in Brighton. Such a caring town *cough* city... (from @bollard_britain) http://t.co/VQh4Wyuy

Allen Ginsberg performed his poem Howl for the 1st time at Six Gallery, San Francisco, today 1955 - Paris & NYC markers http://t.co/h3twbbrK

Use Flickr & want to contribute photos? See for example: Liverpool http://t.co/00dXejDn & London unphotographed plaques http://t.co/PRHP7E1q

Tim Berners-Lee released World Wide Web files, debuting WWW as public service on the Internet today 1991 - CERN plaque http://t.co/LpXLu1EP

Mysterious new plaque & photo for John Field, composer & inventor of the nocturne, in Dublin posted by @michaelkls - http://t.co/9FO9Wqcj

"these distant people & the marks they leave on the land around us. They’re still us..." (by @robertbrook) http://t.co/6Sw2YJMC

we now have 12 plaques in Amsterdam http://t.co/IHfyMsCt will photograph during #wherecampeu ....any more?

"Real democracy reborn here" blue plaque http://t.co/6rkfUbrP at #OccupyLSE

Vladimir Lenin, Russian revolutionary, born today 1870 - plaques where he lived in Zurich, King's Cross & Bloomsbury  http://bit.ly/Zj0mU8 

Hans Sloane @britishmuseum benefactor letters tweeted & storified to celebrate his 353rd birthday by @historybeagle ~  http://bit.ly/ZoT2F1 

After Sunday Times story on us today  http://ow.ly/gM039  big thanks to 556 @flickr users who've added pics to our site  http://ow.ly/gM04S 

Channel 4 story of suspension of further blue plaques due to govt funding cuts  http://bit.ly/XcvFvw 

Happy 124th birthday T. S. Eliot, poet, playwright & former Director @faberbooks - his 4 plaques in London & Marlow http://t.co/dk62weMY

Anne of Cleves, 4th wife of Henry VIII, died today 1577 - plaque at town museum priory ruins over her Lewes house http://t.co/VwfuXiVk

Plaque at Liverpool Road Station in #Manchester - the world's 1st passenger railway station, which opened today in 1830 http://t.co/Lq0vEAi4