The Sinchuk Hwanguk (Korean: 신축환국) occurred in 1721. The Noron faction loses power in the aftermath of Shinyim Oksa.
| Sinchuk Hwanguk | |
| Hangul | 신축환국 |
|---|---|
| Hanja | 辛丑換局 |
| Revised Romanization | Sinchuk Hwanguk |
| McCune–Reischauer | Sinch'uk Hwan'guk |
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