Humpty Dumpty wearing the cravat he received as an unbirthday present from the White King and Queen. From [[Through the Looking-Glass, illustration by John Tenniel.

Alice in Wonderland : A Very Merry 150th Unbirthday to You, Alice [An Exhibit in Fall 2015]
An Unbirthday Gift: Giving Reading Back to Readers
Lizzy or Liz, Never Elizabeth and the Unbirthday
A very merry unbirthday to you!
MspA-Mycobacterium tuberculosis-transformant with reduced virulence: the "unbirthday paradigm".
Naper Settlement Celebrates 'Alice' with Merry Unbirthday
Chevy Chase Celebrates His Unbirthday While Helping To Peddle A Million-Dollar Manse
Dell Four Color Comics
The Downstairs Room
Method and apparatus for generating text