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The Era-Name System Was Used Throughout East Asia for Centuries. Why Do Countries Other Than Japan No Longer Use Era Names Today?
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年号制度曾在东亚被长期实行，为什么当今除日本以外的其它国家不再使用年号了？
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Ranking history & source details
First recorded Oct 19, 2026, 1:05 PM CST · latest Oct 20, 2026, 1:07 PM CST. Ranks reflect attention on each platform.
| Day | Platform | Best rank | Last rank |
|---|---|---|---|
| 2026-10-20 | Zhihu Daily | #1 | #2 |
| 2026-10-19 | Zhihu Daily | #1 | #1 |