23 April 1616: death of Miguel de Cervantes.
23 April 1616: death of William Shakespeare (birth presumably on the same date in 1564).
23 April 1923: booksellers and publishers from Spain start to celebrate this date.
1995: UNESCO declares 23rd April World Book Day
Many countries have joined the celebration so far (Germany, UK, Croatia, Montenegro…).
BOOK NIGHT started in Croatia in 2012 with unexpected success
In 2014 the project started in Slovenia and Montenegro – both succeeding beyond all expectations