The Phoenix Park Murders were the fatal stabbings on 6 May 1882 in the Phoenix Park in Dublin of Lord Frederick Cavendish and Thomas Henry Burke. The assassination was carried out by members of the "Irish National Invincibles". The Invincibles are mentioned in the folk song
"Monto (Take Her Up To Monto)":
When Carey told on Skin-the-goat,
O'Donnell caught him on the boat
He wished he'd never been afloat, the filthy skite.
Twasn't very sensible
To tell on the Invincibles
They stood up for their principles, day and night by going up to Monto Monto......"