Roald Dahl on 13 September is celebrated as "Roald Dahl Day" in Africa, the United Kingdom and Latin America. In honour of Dahl, the Royal Gibraltar Post Office issued a set of four stamps in 2010 featuring Quentin Blake's original illustrations for four of the children's books written by Dahl during his long career; "The BFG", "The Twits", "Charlie and the Chocolate Factory", and "Matilda". A set of six stamps was issued by Royal Mail in 2012, featuring Blake's illustrations for "Charlie and the Chocolate Factory", "The Twits", "The Witches", "Matilda", "Fantastic Mr Fox", and "James and the Giant Peach". Dahl's influence
Roald Dahl as "one of the greatest storytellers for children of the 20th century". His awards for contribution to literature include the 1983 World Fantasy Award for Life Achievement, and the British Book Awards' Children's Author of the Year in 1990. In 2008, "The Times" placed Dahl 16th on its list of "The 50 greatest British writers since 1945". Dahl's short stories are known for their unexpected endings, and his children's books for their unsentimental, macabre, often darkly comic mood, featuring villainous adult enemies of the child characters. His books champion the kindhearted, and feature an underlying warm sentiment. Dahl's works for