April 25, a public holiday in Australia and New Zealand that originally commemorated the sacrifices made by members of the Australian and New Zealand Army Corps (ANZAC) who fought at Gallipoli against the Ottoman Empire during World War I, and now honours people from those countries who have served in all wars, conflicts, and peacekeeping operations.

(chiefly Britain and Ireland) Shrove Tuesday; in some traditions the day for pancake races for charity.

(Britain, Ireland) A day on which a registered charity raises money, usually by selling small lapel flags. / (software) A day designated for changing to an incompatible system.

(military) A day for manoeuvres and tactical exercises in "the field". / A school day for athletic events; a sports day. / A day of class taken away from school for a field trip.

(idiomatic) recently; lately; a few days ago.

(Philippines) the day before yesterday.

(Christianity, Islam, Judaism) The Last Judgment, Final Judgment, final trial of all humankind, both the living and dead by God expected to take place at the end of the world, when each is rewarded or punished according to his or her merits.

November 20, the day of Zumbi's celebration. Usually only celebrated in Rio de Janeiro.

(idiomatic) Said in reply to something that one believes will never happen.

(US) A day on which a group of students, generally the senior class, leaves the campus and its responsibilities for a day.