Día: Children, Books and April 30
Día, on April 30, links every child to books and family reading. Learn where it began, how libraries mark the day, and how bilingual families keep reading

Día is a literacy celebration held every April 30 that links children to books, languages and family reading. In the United States it is known as El día de los niños / El día de los libros, or Children's Day / Book Day, and libraries, schools and museums mark it with story times, book giveaways and bilingual programs. The date is fixed, the format is not: each library or classroom builds its own event around the children it serves.
What is Día and why do libraries celebrate children and books on April 30?
Día is two celebrations joined into one. April 30 has been Children's Day in Mexico since 1925, a day set aside to honor children. In 1996 the author Pat Mora proposed pairing that day with books, so that honoring children would also mean handing them stories. The first Día celebrations took place in 1997, and the American Library Association later became the national sponsor, which is how the observance spread from a handful of libraries to schools, museums and community rooms across the country.
Libraries celebrate on April 30 because the date already belongs to children, and because a library is one of the few places where a child can walk in, choose a book and take it home at no cost. A Día event usually does three things: it invites families in, it puts books in children's hands, and it makes room for the languages those families speak. The Bookjoy Journal, an independent magazine about the celebration, covers that work in plain English and keeps Spanish terms where the celebration itself uses them, and you can read its background on Día at the Bookjoy Journal's Día coverage.
Who started El día de los niños / El día de los libros and how did it spread since 1997?
Pat Mora, a writer and children's author from El Paso, proposed the link between Children's Day and books in 1996. She wanted a day that would connect all children to books, languages and cultures, not only children who already had books at home. The first celebrations followed in 1997, organized by librarians and teachers who took the idea and ran with it locally.
National sponsorship by the American Library Association gave the observance a shared name, a date and a set of materials that any library could use. REFORMA, the association that serves Spanish-speaking communities in US libraries, has also been part of the story, and the Texas Library Association has supported Día work in that state. None of these bodies dictates what a local event looks like. What spread after 1997 was a pattern rather than a program: pick April 30, invite families, read aloud, and let the books reflect the people in the room.
That pattern is why Día looks different in a rural branch library and in a large urban school district. One may hold a single evening story time with a craft table. Another may run a month of author visits and a bilingual book fair. Both are Día.
How is Children's Day celebrated in Mexico on April 30 and what does it mean for families?
In Mexico, April 30 is Día del Niño, Children's Day, observed since 1925. Schools often set aside the school day for games, performances and treats. Teachers organize assemblies, families give small gifts, and the day is treated as a moment to say that children matter. It is not primarily a book event in Mexico, and it is not a public holiday on the national calendar in the way some dates are.
For families in the United States, the Mexican date and the book idea sit side by side. A household that already marks Día del Niño can add a book to the day without changing what the day means. A household that has never heard of either can start with a library story time and a library card. The point of the pairing is that a child who is honored on April 30 is also handed something to keep: a story, in whatever language the family reads at home.
How do libraries and schools mark the day?
Most Día events are small and cheap to run. A public library might set up a read-aloud corner, invite a local author or a bilingual storyteller, and give each child a paperback to take home. A school might ask students to bring a favorite book to share with a younger class, or hold a book swap in the gym. A museum might tie a story time to an exhibit.
The practical pieces are consistent. Pick a time when families can come, often a weekday evening or a Saturday morning. Choose books that reflect the languages and cultures in your community, including bilingual English-Spanish editions and titles by authors who share those backgrounds. Plan one activity children can do with their hands, such as a bookmark table or a simple craft. Ask a partner organization, a parent group or a local business to help with books or snacks. Keep the schedule short enough that a family with young children can stay to the end.
Librarians who run Día programs often say the same thing: the families who return are the ones who were greeted by name and sent home with a book. The event is the invitation. The book is the reason to come back.
How do families keep reading aloud in two languages?
Reading aloud in two languages does not require fluency in both. It requires habit. A family can read a bilingual picture book in English one night and in Spanish the next, letting the child turn the pages. A parent who reads Spanish more comfortably can read the Spanish text and let the child follow the English. A grandparent who reads only one language can still be the reader on a given evening.
The habits that hold up over a year are modest. Keep books where children can reach them, not behind a cabinet door. Read at the same time of day when you can, often at bedtime. Let a child choose the book even if it is the same book for two weeks. Visit the library on a regular schedule so that returning books becomes routine. In summer, when school reading lists stop, keep a stack of library books in the car or by the door.
Bilingual habits fade when a child decides one language is for school and the other is for home, and then stops hearing the home language read. Reading aloud in both languages keeps both in use. It also tells a child that the language spoken at home is a language for books, not only for conversation.
What can one afternoon look like?
A workable Día afternoon takes about two hours. Families arrive and sign in. A staff member or volunteer reads one picture book aloud to the whole group, in the language most of the room uses, with a few lines repeated in the other. Children move to a craft table while adults browse a book table. Each child chooses one book to keep. The event ends with a short announcement of the next story time, so the families know when to come back.
That is the whole shape of it. The date is April 30. The rest is local. A library that has never held a Día event can start with one book, one reader and one table, and the children who come will treat it as a celebration because that is what it is. A teenage group that meets weekly is described in running a youth ministry in a small church.