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Lingua Franca
Historic
- Akkadian (Mesopotamia)
- Sanskrit (India)
- Aramaic (Middle East)
- Koine Greek (Europe)
- Old Tamil (Tamilakam)
- Latin (Europe)
- Classical Mฤori (New Zealand)
- Sogdian (Silk Road)
- Old Church Slavonic (Russia)
- Cyrillic script (Eastern Europe)
- The Mediterranean Lingua Franca (Europe)
- Italian (Royal Courts of Europe)
- French (Royal Courts of Europe)
- Classical Quechua (Latin America)
Modern
- English (Global)
- Spanish (Latin America)
- French (Canada, Europe, North-west Africa)
- Arabic (Middle East and North Africa)
- Russian (North Asia)
- Portuguese (Latin America)
- Chinese (China and Taiwan)
- Hindustani / Hindi-Urdu (North India and Pakistan)
- Malay (South East Asia)
- Swahili (Middle Africa)
- Persian (Iran, Afghanistan, Tajikistan)
- Hausa (West Africa)
- Amharic (Ethiopia)
- Creole (West Africa)