where does the phrase once in a blue moon originate
Blue moon Owing to the rarity of a blue moon, the term "blue moon" is used colloquially to mean a rare event, as in the phrase "once in a blue moon".[4][5]
All that glitters is not gold While early expressions of the idea are known from at least the 12th century, the current saying is derived from a 16th century line by William Shakespeare.
Margaret Wolfe Hungerford Molly Bawn contains Hungerford's most famous idiom:
If I Had My Life to Live Over The song is now a recognized standard, recorded by many artists.
51st state Before Alaska and Hawaii became states of the United States in 1959, the corresponding expression was "the 49th state".
Paris Peace Accords