Prince William is set to jet off on an imminent overseas trip where he will reunite with European royals. The Prince of Wales will travel to France next month to mark the 80th anniversary of the D-Day landings. During his trip, the prince will attend the international commemorative ceremony at Omaha Beach, Saint Laurent sur Mur, alongside 25 heads of state and veterans from around the world. William will be joined at the service by King Frederik of Denmark, Crown Prince Haakon of Norway, King Willem-Alexander and Queen Maxima of The Netherlands and King Philippe and Queen Mathilde of Belgium. …