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In page Anzac Day:

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  • Anzac Day is observed in the Cook Islands, Niue, Pitcairn Islands, and Tonga.[citation needed]
  • It was previously a national holiday in Papua New Guinea and Samoa.[1][2] Until 1981 Papua New Guinea commemorated its war dead on Anzac Day; however, since then Remembrance Day has been observed on 23 July, the date of the first action of the Papuan Infantry Battalion against the Japanese at Awala in 1942 during the Kokoda Track campaign.[3]