A plaque to celebrate 100 years of radio broadcasting will be unveiled today.

The Independent Broadcasters of Ireland and RTE Radio have organised for the plaque to be positioned on the outside wall of the 'Grand Central' on O'Connell Street.

The first radio broadcast in Ireland was to announce the beginning of the Easter Rising in April 1916.

Communications Minister Denis Naughten says the plaque is a fitting way to mark the importance of radio in Ireland: