William Steig's children's book Shrek! is published. The book serves as a loose basis for the Shrek franchise, but the characters in the films deviate significantly from their original inspirations.

The Matrix is released, popularizing slow motion special effects. These effects are later referenced in the scene where Fiona defeats Monsieur Hood and his Merry Men in Shrek.

Cameron Diaz stars in Charlie's Angels, a role for which she undergoes martial arts training. This training later benefits her performance as Fiona in Shrek, particularly in action sequences.

Fiona first appears in Shrek as a princess cursed to transform into an ogre at night. Initially destined to marry Lord Farquaad, she falls in love with Shrek and ultimately embraces her ogre form.

The animated short Shrek in the Swamp Karaoke Dance Party! is included on home video releases of Shrek. In the short, Fiona sings an excerpt from Madonna's song "Like a Virgin".

The Girl Scouts of the USA use Fiona's likeness in tie-in media to promote the organization's "Issues for Girl Scouts" movement and encourage girls to develop self-confidence and embrace diversity.

The Girl Scouts of the USA hosted a free screening of the film Shrek, which was attended by an audience of 340.

Cameron Diaz wins a Kid's Choice Award for Best Burp for her performance in Shrek, which the actress claims to be one of her greatest achievements.

Fiona and Shrek return home from their honeymoon to find that Fiona's parents are inviting them to the kingdom of Far, Far Away to celebrate and bless their marriage.

To promote Shrek 2, ice cream restaurant Baskin-Robbins named a flavor after the character, entitled Fiona's Fairytale. Described as "pink and purple swirled", the ice cream was cotton candy-flavored.

Fiona and Shrek take on the roles of acting Queen and King of Far Far Away while Harold is ill.

Fiona and Shrek appear in the holiday-themed television special Shrek the Halls.

The stage musical adaptation of the film, featuring Fiona as a character, ran on Broadway.

Cameron Diaz's role in the Shrek series contributed to her becoming one of Hollywood's wealthiest actresses.

Fiona appears in Shrek Forever After, much of which takes place in an alternate reality in which Fiona and Shrek never meet.

Fiona and Shrek appear in the holiday-themed television special Scared Shrekless.

Forbes ranked Diaz Hollywood's second highest-earning voice actor, behind only Myers.

Heroines such as Merida and Elsa from Disney's Brave and Frozen, respectively, were both "late to the party compared to" Fiona.

Heroines such as Merida and Elsa from Disney's Brave and Frozen, respectively, were both "late to the party compared to" Fiona.

Samarth Goyal of the Hindustan Times crowned Fiona "one of the most loved animated characters of the 21st century", crediting her with making Diaz "a big star".