Does Denmark accept dual citizenship

The law of citizenship does not allow Dual Citizenship except under exceptional circumstances. Such as:

• If a child of a Danish citizen is born in a country where they grant citizenship by birth (e.g. the US, Canada and Brazil);
• If one of the parents has a foreign citizenship, the child can keep both Danish and foreign citizenship;
• When a foreigner bec omes a Danish citizen, they can retain their previous nationality if it is hard or impossible to renounce that nationality. (for example, Greece does not allow its citizen to renounce their citizenship; Iran requires male citizens to perform military service in order to apply for renunciation of their Iranian nationality.)