Kagen
| Kagen嘉元 | |||
|---|---|---|---|
| August 1303 – December 1306 | |||
| Part of the Pictorial Biography of Prince Shōtoku (painted by Kōzuke Hokkyō and Tajima Bō, 1305) | |||
| Location | Japan | ||
| Monarch(s) | Emperor Go-Nijō | ||
| Chronology 
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| Part of a series on the | 
| History of Japan | 
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Kagen (嘉元) was a Japanese era name (年号, nengō; lit. "year name") after Kengen and before Tokuji. This period spanned the years from August 1303 through December 1306. The reigning emperor was Go-Nijō-tennō (後二条天皇).