In the 5th-century B.C., Greek “oath” physician Hippocrates wrote about a bitter powder extracted from willow bark that could reduce fever and ease aches: Aspirin.

n No. 1 oddity: There have been several songs that have reached No. 1 for more than one artist, and several pairs of different songs with the same name that have reached No. 1, but only one song title that fits both categories. The 1969 tune “Venus” was No. 1 for Shocking Blue and Bananarama, and a different “Venus” was No. 1 for Frankie Avalon. (Thanks to Ken Clark of Kent, Wash.)

According to a recent Forbes magazine interview, the favorite book of real estate developer Donald Trump was written by:

A) Donald Trump

B) Stephen King

C) Sinclair Lewis

D) Sue Grafton

Tuesday’s answer: As the wife of King Francis II from 1559 to 1560, Mary, Queen of Scots was Queen Consort of France.