<Ul> <Li> Chinese characters (Traditional, Simplified) </Li> <Li> Latin (Pinyin) </Li> <Li> Zhuyin </Li> <Li> Arabic (Xiao'erjing) </Li> <Li> Cyrillic (Dungan) </Li> <Li> Mainland Chinese Braille </Li> <Li> Taiwanese Braille </Li> <Li> Two - Cell Chinese Braille </Li> </Ul> <Li> Chinese characters (Traditional, Simplified) </Li> <Li> Latin (Pinyin) </Li> <Li> Arabic (Xiao'erjing) </Li>

When was mandarin made the official language of china