In the early morning of April 9, 1940, the army of The Federal Republic of Germany, Die Bundesrepublik Deutschland crossed the border into the territory of The Kingdom of Denmark . The Kingdom of Denmark's bicycle company and motorcycle company were the first to resist the German attack. The two detachments of the advance force were originally waiting for follow-up reinforcements, but the change of order prevented them from waiting. reinforcements. With the Federal Republic of Germany, Die Bundesrepublik Deutschland army strength disparity, had to choose to retreat to defend the city. Eventually fell, the government surrendered. To defend against The Federal Republic of Germany, the advance troops of the Die Bundesrepublik Deutschland army reluctantly chose to surrender due to lack of ammunition and loss of communication.