Alternative form of Saint Andrew's Day

Measles; rubeola; 7-day measles.

German measles, rubella.

German measles, rubella.

Measles, rubeola, 10-day measles.

plural of first day cover

The date October 21, 2015, regarded as commemorative of the movie Back to the Future Part II, in which the main characters use a time machine to travel to this date from the year 1985.

(Singapore, politics) The day before polling day in Singapore general elections, during which campaigning and election advertising is not allowed in order to give voters time to reflect rationally on how they will vote.

(fandom slang) A fan holiday celebrating the Star Wars franchise, on May 4th.

plural of ninety-day wonder