The day's creation is undocumented. Verified observance consists of dated posts by name-bearers and a regional newsroom, with the establishing act and the reason for the date both unlocated.
From the opera house to the birth certificate
In 1782 the language borrowed the word a third time, out of opera. A prima donna was the first lady of a company, its principal female singer. The meaning most people reach for now, a temperamental person, attached itself only in 1834.


