Tenmon 9 (天文九年)
Timeline of 1540
- 1540/8 Amako Akihisa unsuccesfully attempts to capture Môri Motonari's Koriyama castle in Aki province through siege.
Other Events of 1540
- The Ôuchi clan sends a tribute mission to China, the first since the 1523 Ningbo Incident.
| Previous Year 1539 |
1540 | Following Year 1541 |