Training Grounds 道場
Small tools to learn by doing. Everything runs in your browser; nothing you enter is sent anywhere.
TOOL I · 時代 · YEAR TO ERA
Which era was it?
Choose any year between 794 and 1877 to see the era, who held power, and the closest key moment.
1600
Azuchi–Momoyama
1573–1603 ·
Oda Nobunaga and then Toyotomi Hideyoshi bring most of Japan under one rule.
— CLOSEST KEY MOMENT —
Open this era → TOOL II · 刀 · KATANA ANATOMY
Name every part of the blade
Select a part above to see its description.
More from the training grounds
LIVE
Era timeline
All six eras drawn to scale, from 794 to 1877.
LIVECheck your reading
A short question at the end of every chapter.
COMING IN V2
Warrior trials
One quiz per era. Pass a trial to mark the next chapter unlocked.
COMING IN V2
Clan crests
Explore the kamon of the great houses and who carried them.