| Created |
| Associated with 大友皇子 |
| Associated with (no title) |
| Disassociated from 大友皇子 |
| Associated with 中天皇 |
| Disassociated from (no title) |
| Associated with (no title) |
| Disassociated from 中天皇 |
| Associated with 元号名元号年干支年表示 |
| Disassociated from (no title) |
| Associated with 干支併記型元号年 |
| Associated with 日本における干支年併記の廃止 |