article_snippet.sent: The memorial event marked the invasion of Denmark and Norway by Nazi troops on April 9, 1940.
article_snippet.sent: The Danish King Christian X surrendered after the capital city of Copenhagen fell, following Hitler's conquering of Poland.
article_snippet.sent: It was the shortest German military campaign of WWII, with the King surrendering just two hours after Nazi forces invaded.
highlights_snippet.sent: Event marked the 75th anniversary of the invasion by Germany in 1940 .
  