Canada Decoration Day
Canada Decoration Day is held on June 2. It is an unofficial holiday that honors the veterans of the country's military. Decoration Day began as a protest in 1890 by forgotten Canadian veterans who had fought in Canada's first modern battle, the Battle of Ridgeway, on June 2, 1866. This event in the first decade of the month june is annual.
Birthday of Carl Gustaf Emil Mannerheim & Flag Day celebration of the Finnish Defence Forces on June 4 (Finland);
Canadian Forces Day on June 6 (celebrated on the first Sunday in June);
Normandy landings of the Allied Expeditionary Forces on June 6 (D-Day), a.k.a. Operation Neptune, part of Operation Overlord (1944);
Battle of Arica Day on June 7 (Arica y Parinacota Region, Chile);