Latinisation in the Soviet Union

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Latinisation or latinization (Russian: латиниза́ция, romanized: latinizatsiya) was a campaign in the Soviet Union to adopt the Latin script during the 1920s and 1930s. Latinisation aimed to replace Cyrillic and traditional writing systems for all languages of the Soviet Union with Latin or Latin-based systems, or introduce them for languages that did not have a writing system. Latinisation began to slow in the Soviet Union during the 1930s and a Cyrillisation campaign was launched instead. Latinization had effectively ended by the 1940s. Most of these Latin alphabets are defunct and several (especially for languages in the Caucasus) contain multiple letters that do not have Unicode support as of 2023.