By virtue of republic act no.4166 the phil.first celebrated its independencewday on june 12 1964,ths was nt in accord with the islands independence which was recognize on july 4 1946 ,by the u.states where hencefort .indep.days was observed on july 4 .rep.act no.4166 was signed into law of pres.diosdado macapagal in 1964 proclaiming june 12 ,now july 4 is regelated to being fil-am friendship day