Memorial Day in South Korea
Memorial Day in South Korea is held on June 6. 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);
Tiananmen Square Protests of 1989 Memorial Day on June 4 (International);
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);
Union Dissolution Day on June 7 (Norway. The Union Dissolution Day, observed in Norway on 7 June (though not a public holiday), is marked in remembrance of the Norwegian parliament's 1905 declaration of dissolution of the union with Sweden, a personal union which had existed since 1814)