There are various droll remarks on many of the days. The best dates (to me) are:
Jan 12: Birthday of Jacques Snicket, as well as that of his sister.
Feb 26: Jacques Snicket "taken" and initiated into V.F.D.
Mar 18: Jacques Snicket, given his first assignment, disguises himself accordingly.
Mar 31: Alleged date the alleged Baudelaire mansion allegedly burned down.
Apr 17: Jacques Snicket disguise discovered. Alternate disguise employed.
May 13: Nine cows arrested by the authorities under the suspicion of involvement with V.F.D. Jacques Snicket, disguised as the tenth cow, escapes o a stolen tractor.
Jun 26: Jacques Snicket arrives in Paltryville to continue Baudelaire investigation.
Jul 6: Jacques Snicket reports his findings to The Daily Punctilio.
Jul 7: The Daily Punctilio does not publish Jacques Snicket's report.
Aug 9: V.F.D. declares Jacques Snicket "either missing or on vacation."
Sep 23: Summer is dead and Jacques Snicket does not return. V.F.D. changes his status to missing.
Oct 10: The remaining Snicket siblings open their investigation into Jacques Snicket's disappearance.
Nov 7: Jacques Snicket reported murdered.
Dec 2: Jacques Snicket reported ill.
Jan 4: Director and screenwriter Gustav Sebald reported missing.
Jan 10: Gustav Sebald found murdered.
Jan 27: V.F.D. declares remaining Snicket siblings "either missing or on vacation."