Not a comprehensive list but a snapshot of the many stories the Old Town Hall was involved in. 
1808 Town Hall built by Charles Watson
1812 Luddite Riots Lady Ludd
1817 Combination act imprisonment for Trade Union Activities
1820 Yorkshire Rebellion John Blackwell arrested & tried for riotous behaviour
1832 Cholera Town Hall becomes control centre to fight contagion
1833 refit of Town Hall by William Fairbanks
1842 Chartist Holberry and others arrested
1843 Town Council elected for first time
1844 Colliery riots Woodhouse arrests made on the Wicker
1850 Tontine Inn demolished along with Castle Barns to make way for New Markets
1854 Sheffield Canal banks burst
1855 Irish Riots Westbar Green
1861 First sitting of County court in Bank Street as bankruptcy courts
1862 Bodysnatching riot Wardsend cemetery Sexton and Vicar convicted
1864 Sheffield Floods Town Hall becomes rescue centre and place of refuge for survivors, later enquiry and distribution of compensation
1864 Central Police Station built
1867 Enquiry Royal Commission into Outrages, Trade Union violence
1867 refit of Town Hall
1879 Charlie Peace arrest
1896 extension built Town Hall
1897 New Town Hall opened in Pinstone Street
Friends of The Old Town Hall 