%0 Photo %A Independent Newspapers (Firm) %D 1929 %T [Catholic Emancipation centenary celebrations. Altar being erected in the Phoenix Park] %U http://www.nli.ie/digital/vtls000250973.jpg %X The principal event of the Catholic Emancipation Centenary Celebrations was the celebration of Pontifical High Mass in the Phoenix Park, Dublin on June 23, 1929. Some 300,000 to 500,000 people are considered to have attended.