berlin german interior minister thomas de maiziere upset fellow members chancellor angela merkel conservative bloc propose germany introduce muslim public holiday germany home around 4.5 million muslims many turkish background many million migrants arrive country middle east elsewhere last two years also muslims speak campaign trail ahead election northern state low saxony due sunday de maiziere member merkel christian democrats cdu say open certain regions germany muslim public holiday point saint day public holiday germany catholic regions add place many muslims think introduce muslim public holiday speech post audio clip local news website regionalwolfsburg.de also say germany public holiday generally christian remain way proposal prompt backlash fellow conservatives due start tricky three-way coalition talk liberal free democrats fdp green next week conservatives september election suffer bad result since 1949 lose support far-right senior cdu member wolfgang bosbach tell newspaper bild everyone germany could celebrate whatever religious festivals want add whether state also protect non-christian holiday legal regulation future different issue entirely alexander dobrindt senior figure christian social union csu bavarian sister party merkel cdu tell newspaper germany christian heritage non-negotiable add consider introduce muslim public holiday germany spokeswoman interior ministry say de maiziere remain view germany public holiday christian nature root constitution set germany individual state decide religious public holiday federal interior minister influence whether muslim public holiday spokeswoman add say northern city state hamburg bremen sign agreements muslim organizations muslim pupils could time school workers could take holiday festivals important islam add state german minister upset fellow conservatives muslim holiday