Writing systems introduced in the 1940s

alphabetic script initially created by Solomana Kante in 1949 as a transcription system for Manding languages in Western Africa, now designed and developed to become a pan-African script covering their phonology

Blissymbols or Blissymbolics is a constructed language conceived as an ideographic writing system called Semantography consisting of several hundred basic symbols, each representing a concept, which can be composed together to generate new symbols that represent new concepts.

alphabet of the Macedonian language with 31 letters

North Korean orthography of the Korean language, published in 1948 and in force until 1954; introduced six additional Hangul letters

semi-syllabary script for the Iban language

Braille alphabet for the Hebrew language

extension of Bopomofo (Zhuyin) to represent Taiwanese Hokkien and other languages