日本がどうやって今の形になったのか知ってる？旧石器時代から鎌倉時代まで、狩りをしていた人たちが稲作を覚えて、天皇中心の国ができて、最後は武士が政治を動かすようになったんだ。この流れを掴めば、日本史の基礎は完璧だよ。
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Updated Mar 22, 2026
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日本の歴史: 古代から中世へ
1 / 6
古代の始まり：旧石器時代から古墳時代まで
昔の人たちの生活って、思ってるよりずっと工夫に満ちてるんだ。旧石器時代の人たちは石を削って鋭い道具を作り、マンモスを狩って生きていた。移動しながらの生活だったから、今みたいに家に住むなんて考えられなかったよね。
縄文時代になると生活が一変する。縄文土器で食べ物を煮たり、竪穴住居を作って定住するようになった。貝塚からは当時の人たちが何を食べていたかがわかるから、考古学者にとって宝の山なんだ。
弥生時代は日本史上最大の革命が起きた時代だよ。大陸から稲作が伝わって、食料をためられるようになったんだ。でもそれと同時に、お金持ちと貧しい人の差が生まれて争いも増えた。古墳時代の巨大な前方後円墳は、そんな有力者たちの力の象徴だったんだね。
覚えやすいコツ: 時代が進むにつれて「移動→定住→農業→権力者の登場」という流れを意識しよう！
国づくりの時代：飛鳥・奈良時代
聖徳太子って名前は聞いたことあるよね？この人が日本を中国のような立派な国にしようと頑張った人なんだ。冠位十二階で能力主義を導入し、十七条の憲法で「みんな仲良くしよう」という基本ルールを作った。遣隋使を送って中国の進んだ技術も学んだよ。
大化の改新では中大兄皇子と中臣鎌足が古い勢力を倒して、公地公民という「すべては天皇のもの」という新しいルールを作った。これが後の律令国家の土台になったんだ。
奈良時代の平城京では、ついに法律で国を治める仕組みが完成した。班田収授法で田んぼを配り、租・庸・調という税制度も整えた。でも人々の負担はかなり重かったから、後で問題になるんだよね。天平文化の代表、東大寺の大仏は今でも奈良で見ることができるよ。
テストに出やすいポイント: 聖徳太子の三つの政策（冠位十二階・十七条憲法・遣隋使）は必ず覚えよう！
日本らしさの誕生：平安時代
平安時代は日本が中国から独立して、自分らしさを見つけた時代だ。桓武天皇が都を平安京（今の京都）に移してから、約400年も続いた長い時代なんだよ。
政治では藤原氏が摂関政治で実権を握った。特に藤原道長の「この世をば我が世とぞ思ふ」という歌は超有名だよね。その後は院政という、天皇がいったん引退してから政治を行う独特なシステムも生まれた。
この時代の一番すごいところは国風文化が花開いたこと。遣唐使を廃止して中国べったりをやめたら、ひらがな・カタカナが生まれて、紫式部の『源氏物語』や清少納言の『枕草子』という世界に誇れる作品ができた。でも荘園が増えて国の直接支配が弱くなり、それを守るために武士が登場したのも忘れちゃいけない。
文化のポイント: 国風文化は「日本オリジナル」がキーワード。かな文字で書かれた文学作品が特に重要だよ！
武士の世の始まり：鎌倉時代と重要な比較
源頼朝が平氏を倒して鎌倉幕府を開いたとき、日本の政治は完全に変わった。封建制度という、土地を介した契約関係が政治の基本になったんだ。将軍が御家人に土地を保障する御恩、御家人が将軍のために戦う奉公。この「御恩と奉公」はテストの超重要ポイントだよ。
頼朝の死後は北条氏が執権として実権を握った。元寇では執権・北条時宗のもとで元軍を撃退したけど、十分な恩賞がもらえなかった御家人たちの不満が幕府衰退の原因になった。
奈良時代と鎌倉時代を比べてみよう。奈良時代は天皇が律令で全国民を直接支配しようとしたけど、鎌倉時代は将軍と御家人の契約関係で成り立ってる。土地制度も公地公民から荘園中心へと真逆に変わった。この違いが理解できれば、日本史の大きな流れが見えてくるよ。
暗記のコツ: 「御恩と奉公」は鎌倉時代の象徴。土地をもらう代わりに戦うという、シンプルだけど強力なシステムだったんだ！
テスト対策と全体のまとめ
歴史のテストで高得点を取るコツを教えるね。まず、人物とその業績をセットで覚えること。聖徳太子なら冠位十二階と十七条憲法、源頼朝なら鎌倉幕府と封建制度って具合にね。
文化も名前と特徴をペアで覚えよう。天平文化は仏教・唐の影響で東大寺大仏、国風文化は日本独自でかな文字と源氏物語。この違いがわかれば文化問題は大丈夫だ。
一番大切なのは「なぜそうなったのか」を考えること。武士が登場したのは荘園を守るため、鎌倉幕府が衰えたのは元寇の恩賞問題のせい。理由がわかれば、単なる暗記じゃなくて本当の理解になるんだ。
全体の流れをもう一度確認しよう。狩猟→定住→稲作→律令国家→摂関政治→武士政権という大きな変化の中で、人々の暮らしも政治の仕組みも大きく変わった。この変化を追いかけることで、日本がどうやって今の形になったのかがよくわかるよね。
最終チェック: 漢字の間違いに注意！「摂政・関白・執権」など、似たような漢字が多いから練習しておこう。
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
Where can I download the Knowunity app?
You can download the app from Google Play Store and Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
日本の歴史: 古代から中世へ
日本がどうやって今の形になったのか知ってる？旧石器時代から鎌倉時代まで、狩りをしていた人たちが稲作を覚えて、天皇中心の国ができて、最後は武士が政治を動かすようになったんだ。この流れを掴めば、日本史の基礎は完璧だよ。
古代の始まり：旧石器時代から古墳時代まで
昔の人たちの生活って、思ってるよりずっと工夫に満ちてるんだ。旧石器時代の人たちは石を削って鋭い道具を作り、マンモスを狩って生きていた。移動しながらの生活だったから、今みたいに家に住むなんて考えられなかったよね。
縄文時代になると生活が一変する。縄文土器で食べ物を煮たり、竪穴住居を作って定住するようになった。貝塚からは当時の人たちが何を食べていたかがわかるから、考古学者にとって宝の山なんだ。
弥生時代は日本史上最大の革命が起きた時代だよ。大陸から稲作が伝わって、食料をためられるようになったんだ。でもそれと同時に、お金持ちと貧しい人の差が生まれて争いも増えた。古墳時代の巨大な前方後円墳は、そんな有力者たちの力の象徴だったんだね。
覚えやすいコツ: 時代が進むにつれて「移動→定住→農業→権力者の登場」という流れを意識しよう！
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国づくりの時代：飛鳥・奈良時代
聖徳太子って名前は聞いたことあるよね？この人が日本を中国のような立派な国にしようと頑張った人なんだ。冠位十二階で能力主義を導入し、十七条の憲法で「みんな仲良くしよう」という基本ルールを作った。遣隋使を送って中国の進んだ技術も学んだよ。
大化の改新では中大兄皇子と中臣鎌足が古い勢力を倒して、公地公民という「すべては天皇のもの」という新しいルールを作った。これが後の律令国家の土台になったんだ。
奈良時代の平城京では、ついに法律で国を治める仕組みが完成した。班田収授法で田んぼを配り、租・庸・調という税制度も整えた。でも人々の負担はかなり重かったから、後で問題になるんだよね。天平文化の代表、東大寺の大仏は今でも奈良で見ることができるよ。
テストに出やすいポイント: 聖徳太子の三つの政策（冠位十二階・十七条憲法・遣隋使）は必ず覚えよう！
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日本らしさの誕生：平安時代
平安時代は日本が中国から独立して、自分らしさを見つけた時代だ。桓武天皇が都を平安京（今の京都）に移してから、約400年も続いた長い時代なんだよ。
政治では藤原氏が摂関政治で実権を握った。特に藤原道長の「この世をば我が世とぞ思ふ」という歌は超有名だよね。その後は院政という、天皇がいったん引退してから政治を行う独特なシステムも生まれた。
この時代の一番すごいところは国風文化が花開いたこと。遣唐使を廃止して中国べったりをやめたら、ひらがな・カタカナが生まれて、紫式部の『源氏物語』や清少納言の『枕草子』という世界に誇れる作品ができた。でも荘園が増えて国の直接支配が弱くなり、それを守るために武士が登場したのも忘れちゃいけない。
文化のポイント: 国風文化は「日本オリジナル」がキーワード。かな文字で書かれた文学作品が特に重要だよ！
Sign up to see the contentIt's free!
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武士の世の始まり：鎌倉時代と重要な比較
源頼朝が平氏を倒して鎌倉幕府を開いたとき、日本の政治は完全に変わった。封建制度という、土地を介した契約関係が政治の基本になったんだ。将軍が御家人に土地を保障する御恩、御家人が将軍のために戦う奉公。この「御恩と奉公」はテストの超重要ポイントだよ。
頼朝の死後は北条氏が執権として実権を握った。元寇では執権・北条時宗のもとで元軍を撃退したけど、十分な恩賞がもらえなかった御家人たちの不満が幕府衰退の原因になった。
奈良時代と鎌倉時代を比べてみよう。奈良時代は天皇が律令で全国民を直接支配しようとしたけど、鎌倉時代は将軍と御家人の契約関係で成り立ってる。土地制度も公地公民から荘園中心へと真逆に変わった。この違いが理解できれば、日本史の大きな流れが見えてくるよ。
暗記のコツ: 「御恩と奉公」は鎌倉時代の象徴。土地をもらう代わりに戦うという、シンプルだけど強力なシステムだったんだ！
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テスト対策と全体のまとめ
歴史のテストで高得点を取るコツを教えるね。まず、人物とその業績をセットで覚えること。聖徳太子なら冠位十二階と十七条憲法、源頼朝なら鎌倉幕府と封建制度って具合にね。
文化も名前と特徴をペアで覚えよう。天平文化は仏教・唐の影響で東大寺大仏、国風文化は日本独自でかな文字と源氏物語。この違いがわかれば文化問題は大丈夫だ。
一番大切なのは「なぜそうなったのか」を考えること。武士が登場したのは荘園を守るため、鎌倉幕府が衰えたのは元寇の恩賞問題のせい。理由がわかれば、単なる暗記じゃなくて本当の理解になるんだ。
全体の流れをもう一度確認しよう。狩猟→定住→稲作→律令国家→摂関政治→武士政権という大きな変化の中で、人々の暮らしも政治の仕組みも大きく変わった。この変化を追いかけることで、日本がどうやって今の形になったのかがよくわかるよね。
最終チェック: 漢字の間違いに注意！「摂政・関白・執権」など、似たような漢字が多いから練習しておこう。
Sign up to see the contentIt's free!
Access to all documents
Improve your grades
Join milions of students
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI Companion is a student-focused AI tool that offers more than just answers. Built on millions of Knowunity resources, it provides relevant information, personalised study plans, quizzes, and content directly in the chat, adapting to your individual learning journey.
Where can I download the Knowunity app?
You can download the app from Google Play Store and Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
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4.6/5
App Store
4.7/5
Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan S
iOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha Klich
Android user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
Anna
iOS user
Best app on earth! no words because it’s too good
Thomas R
iOS user
Just amazing. Let's me revise 10x better, this app is a quick 10/10. I highly recommend it to anyone. I can watch and search for notes. I can save them in the subject folder. I can revise it any time when I come back. If you haven't tried this app, you're really missing out.
Basil
Android user
This app has made me feel so much more confident in my exam prep, not only through boosting my own self confidence through the features that allow you to connect with others and feel less alone, but also through the way the app itself is centred around making you feel better. It is easy to navigate, fun to use, and helpful to anyone struggling in absolutely any way.
David K
iOS user
The app's just great! All I have to do is enter the topic in the search bar and I get the response real fast. I don't have to watch 10 YouTube videos to understand something, so I'm saving my time. Highly recommended!
Sudenaz Ocak
Android user
In school I was really bad at maths but thanks to the app, I am doing better now. I am so grateful that you made the app.
Greenlight Bonnie
Android user
very reliable app to help and grow your ideas of Maths, English and other related topics in your works. please use this app if your struggling in areas, this app is key for that. wish I'd of done a review before. and it's also free so don't worry about that.
Rohan U
Android user
I know a lot of apps use fake accounts to boost their reviews but this app deserves it all. Originally I was getting 4 in my English exams and this time I got a grade 7. I didn’t even know about this app three days until the exam and it has helped A LOT. Please actually trust me and use it as I’m sure you too will see developments.
Xander S
iOS user
THE QUIZES AND FLASHCARDS ARE SO USEFUL AND I LOVE Knowunity AI. IT ALSO IS LITREALLY LIKE CHATGPT BUT SMARTER!! HELPED ME WITH MY MASCARA PROBLEMS TOO!! AS WELL AS MY REAL SUBJECTS ! DUHHH 😍😁😲🤑💗✨🎀😮
Elisha
iOS user
This apps acc the goat. I find revision so boring but this app makes it so easy to organize it all and then you can ask the freeeee ai to test yourself so good and you can easily upload your own stuff. highly recommend as someone taking mocks now
Paul T
iOS user