|Dates are from the Isawa Calendar|
|Centuries:||4th century - 5th century - 6th century|
|Years:||439 440 441 - 442 - 443 444 445|
- The gaijin ambassadors are expelled from Otosan Uchi.
- Agasha Kasuga gives refuge to Teodoro Cornejo.
- Garen Hawthorne lands on the Antlers of the White Stag and attacks Otosan Uchi.
- Hantei Muhaki becomes Emperor of Rokugan.
- The Tortoise Clan is founded by Agasha Kasuga.
- Matsu Zaruko becomes Lion Clan Champion.
- Hantei Muhaki issues an Imperial edict that forbids gaijin from entering Rokugan.
- The Trials and Tribulations of the Ki-Rin Clan ends.
- The Ide, Iuchi, Moto and Otaku see a vision of Shinjo in danger. The four families converge on her location and save the Shinjo family.
- Shinjo lest herself be captured by the Lying Darkness to allow the Ki-Rin Clan to escape. Shinjo Yonaru assumes leadership of the Ki-Rin and renames them the Unicorn Clan. The Unicorn begin travelling west.
- The first stone of Castle of the Faithful Bride is laid.