On May 20, 1922 in Celtic History
De valera and collins agree to a pact whereby a national coalition panel of candidates will represent the pro and anti treaty wings of sinn féin throughout ireland in the forthcoming general election

On May 20, 1922 in Celtic History
May 20, 1927
May 20, 1747
May 20, 1311
May 20, 685
May 20, 685