But was your loved one in the picture as they dressed up for the day of fun?
We have reminders from Monkton Primary, Marine Park Primary and the Central Library as well as plenty more.
Take a look and remind yourselves of some wonderful scenes.
1. Fun in 2019
Lynnfield Primary School staff member Brian Umpleby with pupils (left to right) Alex Burn-MCrossen, Jade Chawner and Riley Stead dressed for World Book Day in 2019. Photo: Frank Reid
2. Super at St Bega's
Children at St Bega's RC Primary School were enjoying a good read on World Book Day in 2008. Photo: hm
3. Back to 2006
Wizards, Robin Hood and Dennis the Menace at West View Primary School in 2006. Remember this? Photo: hm
4. Thrilling at Throston Primary
A 2008 reminder of World Book Day at Throston Primary School. Photo: GW
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