Question: What other country was the queen who launched Dannebrog, also a queen for between 1918 and 1944?
Sentence (from "HDMY Dannebrog (A540)"): The yacht now serves as the official and private residence for Queen Margrethe II of Denmark, the Prince Consort, and members of the Royal Family when they are on official visits overseas and on summer cruises in Danish waters.
Relevant evidence: No