Source : Webster's Revised Unabridged Dictionary (1913)

Anecdote \An"ec*dote\, n. [F. anecdote, fr. Gr. ? not published;
   'an priv. + ? given out, ? to give out, to publish; ? out + ?
   to give. See {Dose}, n.]
   1. pl. Unpublished narratives. --Burke.

   2. A particular or detached incident or fact of an
      interesting nature; a biographical incident or fragment; a
      single passage of private life.

Source : WordNet®

anecdote
     n : short account of an incident (especially a biographical one)