▁then ▁declared ▁war ▁on ▁Germany ▁which ▁prompt ed ▁the ▁Naz i ▁Germany ▁invasion ▁and ▁occupation ▁of ▁France . ▁After wards , ▁France ▁participated ▁in ▁the ▁Al lied ▁occupation ▁of ▁Germany . ▁ ▁The ▁post - war ▁West ▁German ▁ch an cell or ▁Kon rad ▁A den auer ▁made ▁rapp ro ch ement ▁between ▁the ▁historic ▁riv als ▁one ▁of ▁his ▁prior ities . ▁ ▁Cont ents ▁▁ ▁The ▁treat y ▁called ▁for ▁regular ▁consult ations ▁between ▁France ▁and ▁West ▁Germany ▁on ▁all ▁important ▁questions ▁concerning ▁defense , ▁education ▁and ▁youth ▁issues . ▁It ▁also ▁requires ▁regular ▁summ its ▁between ▁high - level ▁officials , ▁which ▁implies ▁that ▁the ▁He ads ▁of ▁State ▁and ▁Government ▁have ▁to ▁meet ▁at ▁least ▁twice ▁a ▁year ▁and ▁the ▁Minister s ▁of ▁Foreign ▁Affairs ▁every ▁three ▁months , ▁to ▁ensure ▁close ▁collaboration ▁between ▁the ▁two ▁states . ▁ ▁The ▁first ▁meeting ▁between ▁the ▁two ▁heads ▁of ▁state ▁took ▁place ▁at ▁the ▁private ▁home ▁of ▁General ▁de ▁Ga ulle ▁at ▁Col om bey - les - De ux - É gl ises ▁in ▁September ▁ 1 9 5 8 . ▁Since ▁then , ▁French ▁and ▁German ▁heads ▁of ▁state ▁have ▁kept ▁up ▁the ▁strong ▁relationship , ▁often ▁considered ▁as ▁the ▁engine ▁of ▁European ▁integration . ▁ ▁Additionally , ▁an ▁inter minister ial ▁commission ▁was ▁established ▁to ▁coordinate ▁and ▁over look ▁the ▁Franco - G erman ▁collaboration . ▁It ▁consisted ▁of ▁high - rank ed ▁officials ▁of ▁every ▁involved ▁min istry . ▁ ▁Cont ro vers y ▁▁ ▁Just ▁two