Bounty Day
Bounty Day is held on June 8. Norfolk Island. This event in the first decade of the month June is annual. 
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For Norfolk Island, Bounty Day is a national holiday celebrated annually on June 8th to commemorate the arrival of the Pitcairn Islanders in 1856. Recall that before this event, the island was used only as a penal colony, but Queen Victoria changed this.
Similar holidays and events, festivals and interesting facts
Battle of Arica Day on June 7 (Arica y Parinacota Region, Chile);
Sette Giugno in Malta on June 7
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);
Brazilian Navy Commemorative Day in Brazil on June 11
Davis Day on June 11 (Cape Breton, Nova Scotia, Canada);
World Pet Memorial Day on June 11 (Held on the second Tuesday of June);
Baltic Freedom Day on June 14 (a name given to the day when Soviet deportations from the Baltic states started. The term Baltic Freedom Day for the first time was mentioned in Ronald Reagan's proclamation number 4948 on June 14, 1982. Baltic Freedom Day references the Soviet-Nazi Molotov–Ribbentrop Pact which led to the mass deportations of peoples from Estonia, Latvia, and Lithuania);
Day of Memory for Repressed People in Armenia on June 14