sentence1: In total , the Celtic Association was able to organize 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 : Edinburgh ( 1901 ) , Caernarfon ( 1904 ) and Dublin ( 1907 ) .