19 June 1917
- King George V decrees that members of his family with a German surname are to adopt a British one. Those bearing the surname Teck adopt the surname Cambridge; those named Battenberg become Mountbatten.
- British troops on the Western Front advance at Arras
- Italian troops on the Southern Front continue their offensive on the Asiago plateau, gaining ground on Mount Ortigara
- General Sir Arthur William Currie is appointed commander of Canadian troops in France
This entry was posted on June 19th, 2017.