Did Britain send capital ships to the Kiel regatta before World War I?
Short answerYes; a group of the first King George V-class battleships visited in 1914.
NotesBritain sent ships of the first King George V class to Kiel in 1914. The timing places a formal naval visit immediately before the two fleets became wartime enemies. The brief exchange captures the diplomatic and ceremonial contact that continued amid the prewar naval rivalry.