Ayutthaya–Lan Na War (1441–1474) Ayutthaya–Lan Na War (1441–1474) The Ayutthaya–Lan Na War, was a border conflict that took place between 1441 and 1474. It started when the southern kingdom of Ayutthaya invaded the northern kingdom of Lan Na in 1441 and continued with periodic breaks until 1474. Lan Na achieved limited territorial gains but was weakened by internal power struggles and losses sustained during the conflict. Ayutthaya formed what is now the central and southern parts of modern Thailand while Lan Na approximated northern Thailand. During the 15th century the Ayutthaya Kingdom fought frequent wars against the Lan Na Kingdom in the north, the
Recursive acronym Recursive acronym A recursive acronym is an acronym that refers to itself. The term was first used in print in 1979 in Douglas Hofstadter's book "Gödel, Escher, Bach: An Eternal Golden Braid", in which Hofstadter invents the acronym GOD, meaning "GOD Over Djinn", to help explain infinite series, and describes it as a recursive acronym. Other references followed, however the concept was used as early as 1968 in John Brunner's science fiction novel "Stand on Zanzibar". In the story, the acronym EPT (Education for Particular Task) later morphed into "Eptification for Particular Task". Recursive acronyms typically form backwardly: either an