http://www.english.hadhramaut.info Seiyoun celebrate the occasion of the twentieth National Day [The Source: seiyoun/hadhramaut.info - 03/06/2010] Local authority and Wadi Hadramout and Sahraa Office of the Ministry of Culture Held a ceremony  to celebrate the twentieth annivessary of the  22nd of May, 1990 when teh Republic of  Yemen united The occassion was celebrated with various activities including speeches and songs.  .