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3 Dec 2025

145

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Key Events in the Korean War: A Detailed Timeline

user profile picture

bella kidd @bellakidd_yvzt

The Korean War (1950-1953) was a brutal conflict that turned the Korean peninsula into a battlefield between communist... Show more

25th June
1950
27th June
1950
July
1950
August
1950
Sept
1950
October
18th Oct
1950
Events of the Korean War
and
January
1951
March
1951
Nor

The War Begins North Korea's Lightning Strike

Everything kicked off on 25th June 1950 when North Korean forces smashed across the border and invaded South Korea. Within just two days, they'd captured Seoul, the South's capital, forcing President Rhee to flee for his life.

The South Korean forces were completely outmatched. At the Battle of Osan in July, they suffered a crushing defeat, and North Korean troops continued their relentless advance southward. Things looked desperate for South Korea.

By August, the situation had become critical with the Pusan Perimeter battle. This month-long fight saw North Korea split their forces into four groups, but South Korea finally managed their first major victory on 15th September. This battle basically saved South Korea from complete collapse.

The tide turned dramatically in September with the Battle of Inchon. General MacArthur launched a brilliant surprise attack with 75,000 UN troops, leading to Seoul being recaptured on 25th September. Suddenly, South Korea was back in the game.

Key Point The first year showed how quickly modern warfare could shift - from near-defeat to victory in just months.

25th June
1950
27th June
1950
July
1950
August
1950
Sept
1950
October
18th Oct
1950
Events of the Korean War
and
January
1951
March
1951
Nor

China Enters and Everything Changes

October 1950 saw UN forces getting cocky and invading North Korea, pushing right up to the Chinese border and capturing Pyongyang. This was a massive mistake that would change everything.

China wasn't messing about - they warned MacArthur to back off, then declared war on 8th October. By 25th October, 200,000 Chinese troops poured into the conflict, pushing UN forces all the way back to the 38th parallel. The war had just gotten much bigger and deadlier.

Early 1951 was chaos, with Seoul changing hands like a hot potato. Chinese and North Korean forces recaptured Seoul in January, pushing UN troops deep into South Korea. But by March, South Korea had fought back and recaptured their capital again.

Political drama exploded in April 1951 when President Truman and General MacArthur had a massive falling out. Truman wanted containment (just holding the line), but MacArthur demanded to bomb North Korea and re-invaded against direct orders. Truman sacked him - showing that in America, politicians control the military, not the other way around.

The war then settled into a brutal stalemate from June 1951 to July 1953. Neither side could make real progress, so America used napalm, mines and bombing campaigns whilst the USSR secretly provided aircraft and pilots to help North Korea. When both Truman and Stalin were replaced by leaders who didn't want to continue the bloodshed, peace talks finally began.

Key Point The Korean War showed how local conflicts could quickly become global proxy wars during the Cold War era.

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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

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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 THE SCHOOLGPT. 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 THE SCHOOLGPT. 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

 

History

145

3 Dec 2025

2 pages

Key Events in the Korean War: A Detailed Timeline

user profile picture

bella kidd

@bellakidd_yvzt

The Korean War (1950-1953) was a brutal conflict that turned the Korean peninsula into a battlefield between communist North Korea (backed by China and the USSR) and capitalist South Korea (supported by UN forces led by America). This war became... Show more

25th June
1950
27th June
1950
July
1950
August
1950
Sept
1950
October
18th Oct
1950
Events of the Korean War
and
January
1951
March
1951
Nor

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

The War Begins: North Korea's Lightning Strike

Everything kicked off on 25th June 1950 when North Korean forces smashed across the border and invaded South Korea. Within just two days, they'd captured Seoul, the South's capital, forcing President Rhee to flee for his life.

The South Korean forces were completely outmatched. At the Battle of Osan in July, they suffered a crushing defeat, and North Korean troops continued their relentless advance southward. Things looked desperate for South Korea.

By August, the situation had become critical with the Pusan Perimeter battle. This month-long fight saw North Korea split their forces into four groups, but South Korea finally managed their first major victory on 15th September. This battle basically saved South Korea from complete collapse.

The tide turned dramatically in September with the Battle of Inchon. General MacArthur launched a brilliant surprise attack with 75,000 UN troops, leading to Seoul being recaptured on 25th September. Suddenly, South Korea was back in the game.

Key Point: The first year showed how quickly modern warfare could shift - from near-defeat to victory in just months.

25th June
1950
27th June
1950
July
1950
August
1950
Sept
1950
October
18th Oct
1950
Events of the Korean War
and
January
1951
March
1951
Nor

Sign up to see the contentIt's free!

Access to all documents

Improve your grades

Join milions of students

By signing up you accept Terms of Service and Privacy Policy

China Enters and Everything Changes

October 1950 saw UN forces getting cocky and invading North Korea, pushing right up to the Chinese border and capturing Pyongyang. This was a massive mistake that would change everything.

China wasn't messing about - they warned MacArthur to back off, then declared war on 8th October. By 25th October, 200,000 Chinese troops poured into the conflict, pushing UN forces all the way back to the 38th parallel. The war had just gotten much bigger and deadlier.

Early 1951 was chaos, with Seoul changing hands like a hot potato. Chinese and North Korean forces recaptured Seoul in January, pushing UN troops deep into South Korea. But by March, South Korea had fought back and recaptured their capital again.

Political drama exploded in April 1951 when President Truman and General MacArthur had a massive falling out. Truman wanted containment (just holding the line), but MacArthur demanded to bomb North Korea and re-invaded against direct orders. Truman sacked him - showing that in America, politicians control the military, not the other way around.

The war then settled into a brutal stalemate from June 1951 to July 1953. Neither side could make real progress, so America used napalm, mines and bombing campaigns whilst the USSR secretly provided aircraft and pilots to help North Korea. When both Truman and Stalin were replaced by leaders who didn't want to continue the bloodshed, peace talks finally began.

Key Point: The Korean War showed how local conflicts could quickly become global proxy wars during the Cold War era.

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.

6

Smart Tools NEW

Transform this note into: ✓ 50+ Practice Questions ✓ Interactive Flashcards ✓ Full Mock Exam ✓ Essay Outlines

Mock Exam
Quiz
Flashcards
Essay

Most popular content in History

Most popular content

English - inspector calls quotes and analysis

Quotes from every main character

English LiteratureEnglish Literature
10

Can't find what you're looking for? Explore other subjects.

Students love us — and so will you.

4.9/5

App Store

4.8/5

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 THE SCHOOLGPT. 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 THE SCHOOLGPT. 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