Song is referring to the blood sacrifice in the Easter Rising of 1916 by the Irish Volunteers and the Irish Citizen Army. The Helga is the name of the Vessel that sailed up the Liffey in Dublin "sailed in through the Foggy dew" It shelled the Rebel positions with long range haevy pounders.
Actually...
'Erin go brea' = Ireland the beautiful
'Erin go deo' = Ireland forever.
Song is referring to the blood sacrifice in the Easter Rising of 1916 by the Irish Volunteers and the Irish Citizen Army. The Helga is the name of the Vessel that sailed up the Liffey in Dublin "sailed in through the Foggy dew" It shelled the Rebel positions with long range haevy pounders.