(one's) finest hour

(one's) finest hour

The moment or time of one's greatest success or achievement. The team's come-from-behind victory in the semi-finals proved to be their finest hour.
See also: fin, hour
Farlex Dictionary of Idioms.

your finest hour

the time of your greatest success.
1940 W. S. Churchill Speech 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’.
See also: fin, hour
Farlex Partner Idioms Dictionary
See also:
  • fin
  • your finest hour
  • at (one's) doorstep
  • at doorstep
  • at expense
  • at somebody's expense
  • at someone's expense
  • at (one's) expense
  • (one's) day in court
  • (from) top to toe