1. Kingdom has sold more than one hundred twenty million copies worldwide, making it one of the best-selling manga series of all time.
2. Kingdom is based on China’s Warring States period and the events that led to the unification of China.
3. Yasuhisa Hara created Kingdom and began serializing the manga in two thousand six.
4. The Kingdom anime first aired in two thousand twelve, six years after the manga began.
5. Yasuhisa Hara has said he plans for Kingdom to reach around one hundred volumes.
6. Before Kingdom officially launched, Yasuhisa Hara created four prototype one-shot chapters based on the same concept.
7. The manga remained unpublished in English for nearly twenty years after it first began in Japan.
8. The Kingdom anime has continued for more than a decade and has received six seasons so far.
9. The first live-action Kingdom movie was released in two thousand nineteen.
10. The success of the first film led to multiple live-action sequels.
11. The third season of the anime was delayed by the COVID-19 pandemic after only four episodes had aired.
12. The delayed third season restarted from episode one when broadcasting resumed.
13. The first two anime seasons relied heavily on CGI animation for characters and backgrounds.
14. The third season switched to a much more traditional two-dimensional animation style.
15. Yasuhisa Hara personally requested Hiroyuki Sawano to compose music for the anime’s third season.
16. Kingdom won the Grand Prize at the Tezuka Osamu Cultural Prize in two thousand thirteen.
17. The series became the fifth best-selling manga of two thousand fifteen, selling more than eight million copies in a single year.
18. The manga surpassed one hundred million copies in circulation before reaching one hundred volumes.
19. The story follows real historical events, but Yasuhisa Hara uses fiction to fill gaps in the historical record.
20. Kingdom is regarded as one of Japan’s most successful historical manga series.