Events for June 20June 20, 1810Parliament passes Unlawful Acts Bill, extending powers against secret societiesRead MoreJune 20, 1849James Clarence Mangan, poet, diesRead MoreJune 20, 1723Adam Ferguson, philosopher, historian, Father of Sociology born Logierait, Perthshire.Read MoreJune 20, 1867Clan Na Gael, Irish revolutionary organization and the counterpart of the Irish Republican Brotherhood, is formed by John Devoy, Daniel Cohalan and Joseph McGarrity in the USARead More
