1980s

1989 – February 11th, younger sister Lizzie is born.

During the earlier seasons of "Full House" (1987/I), the producers did not want it known that Michelle was played by twins, so Mary-Kate and Ashley were credited as Mary Kate Ashley Olsen.
Mary Kate used to act out the comedic scenes while Ashley took on the more serious ones.
When they were young, MK and Ashley used to call their _"Full House" (1987/I)_ co-stars by their characters' names so they wouldn't mess them up during taping.
The show became a hit with books, dolls, and other merchandise being sold to promote it.

Mary-Kate on the show they had their own catchphrase ("You got it, dude"), which reverberated in the ears of Uncle Jesse (John Stamos) and throughout American audiences loudly enough to merit a TVQ rating -- the sitcom world's most prominent popularity contest -- second only to Bill Cosby.



1987 - The twins began their acting career when they were chosen to play the role of Michelle Tanner on a new TV series, "Full House" .

1986 - Born June 13, 1986 in Sherman Oaks, California to David and Jarnette Olsen. Ashley born 10:26am PDT. Mary Kate Born at 10:28 am PDT. Despite popular belief, they are not identical, but rather fraternal twins.