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 his new words on familiar sounds, adding: In 2016, marking the centenary of Dahl's birth, Rennie compiled "The Oxford Roald Dahl Dictionary" which includes many of his invented words and their meaning. Rennie commented that some of Dahl's words have already escaped his world, for example, "Scrumdiddlyumptious": "Food that is utterly delicious". In his poetry, Dahl gives a humorous re-interpretation of well-known nursery rhymes and fairy tales, providing surprise endings in place of the traditional happily-ever-after. Dahl's collection of poems "Revolting Rhymes" is recorded in audiobook form, and narrated by actor Alan Cumming. For a brief period in the 1960s,