Lod Massacre Remembrance Day in Puerto Rico
Lod Massacre Remembrance Day in Puerto Rico is held on May 30. This event in the third decade of the month may is annual.
Mabo Day in Australia on June 3 (It commemorates Eddie Koiki Mabo (c. 29 June 1936–21 January 1992) a Torres Strait Islander whose campaign for Indigenous land rights led to a landmark decision of the High Court of Australia that, on 3 June 1992, overturned the legal fiction of terra nullius which had characterised Australian law with regards to land and title since the voyage of James Cook in 1770);
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)