finest
your finest hour the time of your greatest success.
1940W. S. ChurchillSpeech to House of Commons Let us therefore brace ourselves to that duty, and so bear ourselves that, if the British Commonwealth and its Empire lasts for a thousand years, men will still say, 'This was their finest hour'.
-'s finest the police of a specified city. North American informal
2000Nelson DeMilleThe Lion's Game As I indicated, I was a homicide detective, one of New York's Finest.