World Refugee Day 20 June On World Refugee Day, held every year on June 20th, we commemorate the strength, courage and perseverance of millions of refugees. World Ocean Day 2019 This year, the theme for World Oceans Day is “Gender and the Ocean”, an opportunity to explore the gender dimension of humankind’s relationship with the ocean. The 75th anniversary of D-Day, 6 June 2019 This year marks the 75th anniversary of the D–Day landings in Normandy, France, on 6 June 1944. World Environment Day 5 June This World Environment Day, learn more about the air pollution around you, and how we can #BeatAirPollution. National Reconciliation Week 2019 Each year National Reconciliation Week, held between 27 May and 3 June, is dedicated to growing respectful relationships between Aboriginal and Torres Strait Islander people and other Australians.