Is there still a Remembrance Day in the 23 & 24 centuries?

[Herkimer Jitty]

In my time, we've evolved beyond the need for birthdays.

 

[robau]

Worf had that funky birthday episode. I don't remember any others.

 

[T'Girl]

There have been over a dozen on air birthdays for the major characters in the various series.

In one of the episodes, Deanna observed that it was the "birthday" of the creation of the Federation.