Twosday
portmanteau and one-time observance
Twosday is a one time dated event that occured on Tuesday 22 February 2022, it was nicknamed Twosday as the date in question was styled 2/22/22 and it was on a Tuesday. The next occurrence of a similar event is on March 3rd, Thursday 2033 (3/3/33), nicknamed Thirdsday, so mark your calendars.