Findings:
- 1810
- First letter from Seiji Koga to Yashuma Neiboku, dated 1810
- First Letter from Yashuma Neiboku to Seiji Koga, dated 1810
- Second Letter from Seiji Koga to Yashuma Neiboku, dated 1810
- Beethoven and Napoleon, after 1810
If you Log in you could create a "1810s" node. If you don't already have an account, you can register here.