Editors. "'Bloody Sunday' at Socialist meeting in Trafalgar Square". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18979, accessed 21 May 2013.]
A joint demonstration in Trafalgar Square against the Irish coercion laws, held by Socialists and Irish nationalists, becomes known as 'Bloody Sunday' after clashes with police lead to three deaths and hundreds more protestors needing to be treated in hospital.