1834 22 Apr. 5/6 Every man that dared to open his mouth against the Castlereagh and Sidmouth despotism must have set the Six Acts at defiance.
1859 J. W. Rosse Six Acts, severely repressive measures, passed, 1819.
1862 G. H. Townsend Six Acts,..six measures for the prevention of seditious meetings and the regulation of political publications.