graffiti marked 70 years ago. >> the motorcade to the arc de triomphe. germany invaded france in 1940. >> in the united states a major show of world war ii air power flew over the nation's capital. 56 vintage airplanes including the last flying b-29 bomber flew in formation just 1,000 feet over the national mall. president obama urged to keep striving for values today of freedom democracy and human rights. >> let's stand united with our allies in europe and beyond on behalf our common values. freedom, security, democracy human rights, and the rule of law, around the world. and against bigotry and hatred in all their forms. so that we give meaning to that pledge, never forget, never again. >> ukrainian president petro poroshenko used the occasion to remember those killed in the country's current conflict. according to the united nations nearly 7,000 ukrainian civilians died during this conflict. ukraine was part of the soviet union, during world war two. >> 70th anniversary is being promoted 50 crÈme li as part of glory and sacrifice. as rory challands reports. >> in 1941, age just 16, galina enlisted a