Irish loyalists celebrate peace with England in 1921

Montage Irish Sinn Fein delegation arrives in London to negotiate peace with England / politician Eamon de Valera enters building with others / Irish nationals with banner in colors of Irish flag with words "Peace, Justice" / London police stand in front of peaceful Irish nationalist demonstrators, with women on their knees praying at front of group / Irish loyalists in northern Ireland march with signs protesting independence / montage Dublin parade celebrating independence in December 1921, with line of marchers and with mounted soldiers' horses trotting / from Greatest Headlines of the Century series