Joomon - Initial Nihon

                The first, the Ainu people

                Oldest pottery

Yayoi - Bronze, iron working

            First cultivation of rice

            Many clan nations

Kofun -  Imperial house

             First centralized government

             Controlling trade routes

Asuka - Kanji writing style

             New Buddhism and Shinto

             Imperial court

Nara - Central capital

           Buddhism, Shinto flourish

           Great Buddha is built

Heian - Waka Poetry

           Yet more new writing systems

           Monogatari

Kamakura - New Feudalism

                 Bushido and Seppuku

                 Samurai class made

Muromachi - Chinese ink painting

                   Confucianism major

                   Christian missions there

Azuchi–Momoyama - Two greatest castles

                              Central government control

                              Massive scale paintings

Edo - Major peaceful time

         Economic growth and calm

         Major culture growth

Meiji - Industrial time

          Restoration of Japan

          Constitutional

Taishoo - Universal vote

              International rising

              Representation

Showa - Militarism

            Major power of axis

            Nuclear bombings

Heisei - Art and expression

            Big boom in technology

            Period of peace

Reiwa - Summer Olympics

            The Saikazaki bombing

            Space One rocketry