On 11 February 1867 the Reform League arranged an impressive
demonstration that started from Trafalgar Square and ended at a
meeting at the Agricultural Hall in Islington. The procession
included Trade Unions and Reform League branches from all around
the country.
Citation:
Editors. "Islington Agricultural Hall meeting of 1867".
The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=13848, accessed 24 May 2013.]