Namibian Armed Forces Day
Namibian Armed Forces Day is held on June 3. This event in the first decade of the month june is annual.
Canada Decoration Day on June 2 (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);
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);