Top 10 Wars in History
Wars have shaped the world in countless ways, from changing borders to toppling empires to redefining what it means to be a nation. You've probably heard the names of some of the biggest ones in your history classes or in documentaries with dramatic voiceovers and maps full of arrows.
But behind every battlefield and treaty is a bigger story. Politics, ambition, desperation, and sometimes just plain bad luck have all played a role. This list brings those stories to the surface, focusing on the wars that influenced the course of history more than any others.
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World War II
World War 2 was truly the most powerful war in history. It was also the greatest and most powerful human conflict ever. With 68,000,000-72,000,000 casualties (more than 2.5% of the world's population at that time) and a total of more than 1.2 trillion dollars spent (making it more expensive than all the other wars in history), it was incredibly impactful. Even though it lasted only 6 years, 72 countries were involved in the war. It was also the only use of nuclear weapons in warfare, which were two atomic bombs of such incalculable strength, damage, and fatalities. No war has ever come anywhere near WW2's deadliness. That explains why it is the most powerful war history has ever seen.
This war killed 85 million people, including 6 million Jews. It involved nearly every major nation across Europe, Asia, Africa, and the Americas, making it a global war. It's also known for the Holocaust, the bombing of Hiroshima and Nagasaki, and D-Day.
I remember in September 2024 I went to the World War II museum located in Gdańsk, and that museum has a lot of cool artifacts. (My YouTube: @marcinkusiak9273)
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World War I
WW1 was a war where countries fought each other with no real bad guy. The war shaped warfare and Europe forever. Amazing empires collapsed and ended. Most of the war was fought in trenches with trench warfare. There were bodies everywhere and hundreds dead each day. Constant artillery and gunfire, and mud filled the trenches, sinking men in like quicksand.
The war killed many people and wounded many more. It was the first war with tanks, flamethrowers, and gas. Some soldiers would get PTSD or "shell shock" where they would not fight, and many were executed. Around 20 million people died.
But this war is often overshadowed by WW2 because WW2 had a higher death toll, but that does not mean that WW1 was less significant.
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American Civil War
The American Civil War is, in my opinion, the most important struggle in American history. How can a nation of free men promote the idea of slavery and despotism simply because you are a certain race? I understand the American Revolution was the beginning of America, but what makes America so great? Its Constitution. God has given rights entitled to every citizen in that country. The Constitution was in danger, and the ideas that birthed the nation were in danger.
Not only that, but it also ended a sort of southern aristocracy in our country. By taking away the way of life that came from only being able to farm, it gave the middle class a chance in America. And isn't that what the country is all about? Equal opportunity?
That is why the Civil War is the most important war in American history and should be number 2 on this list. (WW2 is number 1)
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American Revolutionary War
Led to the foundation of the U.S. Without the U.S., there would be no Cold War, and the Second World War would have taken longer to win.
This was the most influential war. We were not losing so badly. The British soldiers fought because it was their job. We fought from passion to win, and when you fight with passion, it helps you win. France and Spain were a big help, but if we didn't fight dirty, we would have lost. We demolished the British at Saratoga. France never switched sides because they absolutely hated the British, so they wanted to take them down.
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Napoleonic Wars
Being Europe the center of culture and ideas that ruled the globe over the next century, this war made the cornerstones of our ideas in modern society. It made the world we live in what it is. It moved every nation in Europe and made the system of great powers that we live upon. It opened the door for other revolutions like the German, Italian, Russian, and Chinese revolutions later on. I would think of it as the most important war of the modern era if not for the world wars.
Every country in Europe fought all over the world, with 10,000,000 casualties over a 10-year span.
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Vietnam War
I'm not going to get political and say this war was fought for nothing. I'm also not going to say that the US lost because they didn't. They just abandoned it. But it did devastate soldiers and citizens, some still affected to this day.
This war was just a mistake. The USA did not win this war, like it or not, but this war is still very significant, and it is good to honor the soldiers who fought in it.
The United States had no right to be there. We lost 60,000 men, mostly college kids, to a senseless war that wasn't going to be won anyway.
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Russian Civil War
Led to the U.S.S.R.
Because Lenin pulled out of the First World War, Germany had their two-front war relieved to only one front and still lost. I'm not entirely sure how it would impact the Second World War, but it would definitely do a lot. And of course, without the U.S.S.R., there would be no Cold War. The Russian Empire under Czar Nicholas II was so weak that the country wouldn't be considered a "superpower", that's if Czar Nicholas hadn't already been assassinated by then.
A massive war with a casualty figure close to a world war.
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Hundred Years' War
Almost completely destroyed England's claim to the French throne. After the war, England only held Calais, which was eventually lost under Mary I. Before this war, due to William I the Conqueror being a French duke and because of feudalism, English monarchs had to perform homage to French kings because even though monarchs are above anyone else apart from God, the English kings were technically vassals of the French king because of how William was a duke.
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Mongol Conquests
Never get involved in a land war in Asia or invade Russia.
Oh, wait, the exception personified: the Mongols!
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Cold War
Started due to the U.S. becoming a superpower and having an almost completely opposite ideology to that of the U.S.S.R.
This war led to major consequences. Nuclear weapons became way more readily available, leading to the M.A.D. principle. The Suez Crisis in the 50s also led to Britain losing its superpower title, thus leading to major decolonisation. This caused major civil wars, which became Cold War proxy wars.
Due to the legal procedures of classified issues during the huge long-term Cold War, we can assume the worst of what has happened behind closed doors. What we do know is that the U.S. and the USSR promoted violent actions against each other through geopolitical actions.
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Third Servile War
The weaknesses of the Roman slave system were highlighted.
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Great Northern War
The preeminent power of northeastern Europe shifted from Stockholm to St. Petersburg for the next two hundred years.
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Crusades
You mean the wars that lasted from the late 11th century to the 13th century A.D.? All that was a war between Christians and Muslims. All it accomplished was death. That's all these "holy wars" accomplish. Just death on a grand scale. Nothing holy about it. I don't care what excuse you give me.
Does nobody think about how this "holy war" just led to slaughter? Good Christians and Muslims know that is horrible.
Actually, they were a series of wars.
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Seven Years' War
This war kicked off the economic and political conditions that led to the French, American, Latin American, and other revolutions.
The first true world war, with campaigns in Europe, North America, Asia, and elsewhere.
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Syrian Civil War
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Korean War
It's sad that not many people know about the Korean War. Well, they may have heard of it, but they don't really know about it. Over two and a half million people died, and it bore the wicked dictatorship of North Korea.
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French and Indian War
It was a semi-world war, taking place in British America, Canada, Europe, and India.
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Gulf War
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Second Punic War
The Roman Republic would have never become the Roman Empire, and the influence on Western culture to this day would not be influenced by Rome but by Hannibal and Carthage.
Closer matched than one might think.
Had Hannibal negotiated for peace, Carthage may have survived for another couple of centuries.
If Carthage had been victorious here, the fate of history would be absolutely different.
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Bangladesh Liberation War
Bangladesh (East Pakistan) won the war against Pakistan (West Pakistan) in 1971. West Pakistan launched Operation Searchlight against the people of East Pakistan on the night of March 25, 1971. About 3 million people were killed by West Pakistan. On December 16, 1971, Lt. Gen A. A. K. Niazi, CO of Pakistan Army forces located in East Pakistan, signed the Instrument of Surrender. Over 93,000 Pakistani troops surrendered to the Indian forces and Bangladesh Liberation forces, making it the largest surrender since World War II.
We Bangladeshi people had no weapons to fight. We had to steal weapons from the Pakistanis like assassins and then use them against them. This was a war where the lower-class people of Bangladesh participated. These were normal people with no weapons or training fighting against elite armies.
Those nine months were really scary times. There's no other war like this in the history of the world. I am so proud of my country, Bangladesh. Joy Bangla!
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Thirty Years' War
The last real religious war and the war that tore apart Central Europe, ensuring German dissolution for two centuries.
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Kargil War
It is the most important event for the Indian Army. It was very difficult, but we managed to do it.
The Kargil War showcased the importance of artillery in the modern-day battlefield scenario.
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Turkish War of Independence
After WWI, the Ottoman Empire was forced to be divided and its citizens were made to kneel in front of occupying troops. Mustafa Kemal Ataturk went across the whole country to inform people and start the war. Hundreds of thousands of voluntary soldiers went to the frontline, fighting Armenian, Greek, British, French, and Italian troops all at once. Meanwhile, Ataturk opened the Grand National Assembly and did a series of revolutions that made Turkey independent and secular. The Turks won the war, claiming their beloved land.
The first war that showed the world imperialist countries could be defeated, and showed other leaders like Mahatma Gandhi how to do it.
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Iran-Iraq War
This should be near the top of the list. For 8 years, during the modern era, the whole world fought against Iran using chemical weapons. Millions of people died and many cities were burned to the ground. The city of Khorramshahr was 100% destroyed.
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Chinese Civil War
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War on Terror
This war seems as if it's never going to end. The terrorist forces have not only destroyed ancient historical and religious monuments (Taliban), but they also literally kill innocent, unarmed civilians for no reason other than for the sake of their religion. I am specifically referring to the terrorists in the Middle East.
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Bosnian War