Operation Nicety happened in 1942.
My mother told me about a nicety she would never forget.
NICETY
"The tire shop's manager offering her hot coffee and a doughnut while she waited for her flat to be fixed was a nicety she appreciated".
nicety
Ad unguem means to the fingernail, to a nicety, exactly.
Onomatopoeia
The nouns are niceness and nicety (niceties).
Operation Veritable happened in 1945.
Operation Sunstar happened in 1941.
Operation Roundabout happened in 1943.
Operation Birke happened in 1944.
Operation Medusa happened in 2006.