sentence1: In total , the Celtic Association was able to organise three Pan - Celtic congresses : Dublin ( 1901 ) , Caernarfon ( 1904 ) and Edinburgh ( 1907 ) .
sentence2: In total , the Celtic Association was able to organise three Pan-Celtic Congresses : Dublin ( 1901 ) , Caernarfon ( 1904 ) and Edinburgh ( 1907 ) .