History
The minor district (King Amphoe) was created on March 5 1981, when the four tambon Si Kaeo, Phing Phuai, Sa Yao and Tum were split off from Kantharalak district. It was upgraded to a full district on May 26 1989.
Read more about this topic: Si Rattana District
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“The history of mankind interests us only as it exhibits a steady gain of truth and right, in the incessant conflict which it records between the material and the moral nature.”
—Ralph Waldo Emerson (1803–1882)