Chiba City [Chiba prefecture Japan]

Chiba city in Chiba has a 2:3 dark green flag charged with white emblem adopted on Feb 28th 1966.
The emblem is stylized kanji Chi (千) of Chiba and moon and star.
Source: Chiba website (in Japanese)
Nozomi Kariyasu, 18 November 2005

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The emblem was adopted 8 May 1921.
Jonathan Dixon, 8 December 2005

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The city flag was adopted on Feb 28th 1966 by the Municipal Notice No 9. The green flag is charged with white city emblem in the center.
Chiba City is named after its founder, whose moon and star family crest is now the official city emblem. In connection with the founder's the Chibas family crest, the emblem also contains the first of two kanji characters used when writing 'Chiba' which was declared the official city emblem at its ceremonial founding in 1921.
Nozomi Kariyasu, 25 October 2009