noun Date: 1911 a national holiday in Australia commemorating the landing of the British at Sydney Cove in 1788 and observed on the Monday of or next following January 26
AUSTRALIA DAY
Meaning of AUSTRALIA DAY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012