21st June 1877: Ten Irish immigrants hanged for murder, having been accused of membership of the Molly Maguires secret society

Historians have since questioned the convictions, which saw ten men hanged for murder – six in the prison at Pottsville, and four at Mauch Chunk in Carbon County.

11th June 1837: Broad Street Riot breaks out in Boston, MA

On June 11th 1837, the Broad Street Riot broke out in Boston, Massachusetts, between Irish immigrants and existing American citizens known as Yankees.