The United States is in Group A at the World Championship. The countries joining the United States in Group A include: Denmark. IIHF Ice Hockey World Championship Denmark. Gefällt Mal. The official Facebook page for the IIHF World Championship, Denmark -. The Ice Hockey World Championships are an annual international men's ice hockey tournament organized by the International Ice Hockey Federation (IIHF). Most recent champion(s) : Sweden ; (10th title, list.