Why wasn't German emperor Kaiser Wilhelm punished for starting WWI?

Who started WWI?

World War I started with the assassination of the Archduke Franz Ferdinand and his wife Sophie, Duchess of Hohenberg. That's certainly one of the biggest catalysts for the war, but who started it? Ten historians offer their interpretations of which nations bore the brunt of the responsibility. As this article unsurprisingly discovers, it's complicated.

How WWI began with the assassination of Archduke Franz Ferdinand

World War I started for several reasons—imperialism, militarism, nationalism, and more—but the catalyst was the assassination of Archduke Franz Ferdinand and his wife Sophie, the Duchess of Hohenberg by the young assassin Gavrilo Princip. Read this article ton see how the assassination sparked the chain reaction that led to the Great War.

Five key causes of World War I

What caused World War I? The ready answer refers to the assassination of Archduke Franz Ferdinand. But there was more to it than that. This article, accompanied by a short explanatory video, outlines how mutual defense alliances, imperialism, militarism, and nationalism also had a heavy hand in the start of what some considered a "preventable war."

How the Great Depression and end of WWI paved the way for Hitler's rise to power

The end of WWI was triggered by an armistice that blamed the conflict on Germany and required the financially struggling country to pay reparations. This outraged nationalists and ignited conspiracies that Hitler was able to capitalize on, according to this six-minute video. It was during this financial strain that the Great Depression hit.

Illustrating the beginning and end of WWI through maps

In August of 1914, Germany invaded an ostensibly neutral Belgium, kick-starting World War I. The war became one of the deadliest conflicts in human history, decimating Europe and reshaping global politics for the next century. It also brought forward sweeping and terrifying new military technologies, a product of the Industrial Revolution. Explore 40 maps explaining the Great War in detail.

The treaty that ended the First World War laid the groundwork for the Second.

World War I causes

World War I was, as the name says, truly war on the global scale. Fought between the French, Russian, British, Austria-Hungary, Ottoman, and Russian Empires, it was in part, a battle for territory. And after the war ended, several of these empires collapsed. Explore the different causes of World War II in this article.

The 1915 sinking of the Lusitania precipitated World War I

In 1915, the British RMS Lusitania sank after being torpedoed by a German submarine. The Germans claimed the ocean liner was transporting munitions. Almost 1,200 civilians were killed in the disaster, which became a symbol of German aggression in the lead-up to World War I.

One US psychiatrist at Nuremberg viewed top Nazis like Göring as normal

The surviving leaders of the Nazi movement had overseen a catastrophic war and the cruel extermination of millions. US psychiatrist Douglas Kelley evaluated the 22 men ahead of their infamous trials, viewing them as intelligent, cultured men without a moral compass. Kelley would later die by suicide.

Hitler declared war on the United States four days after Pearl Harbor

Despite having no treaty obligation to join Japan’s fight, Hitler declared war on the US on Dec. 11, 1941. The move pulled America into the European theater and is widely seen as one of Hitler’s most strategic blunders.

How World War I ended in 2010

Germany made its final reparations-related payment for the Great War on Oct. 3, nearly 92 years after the country’s defeat by the Allies. What took Germany so long to pay for the war?

There were dozens of attempts to assassinate Hitler—most famously Operation Valkyrie in July 1944

Across his reign, Hitler survived at least 40 plotted and actual assassination attempts, ranging from lone actors in beer halls to organized military conspiracies. The most notable, Operation Valkyrie on July 20, 1944, led by Colonel Claus von Stauffenberg, planted a bomb at the Wolf’s Lair in an effort to kill Hitler and overthrow the Nazi regime. Though the explosion injured several, Hitler escaped with minor wounds, prompting a brutal purge of conspirators.

Germany’s invasion of Poland in 1939 launched World War II

On September 1, 1939, Nazi Germany launched a surprise invasion of Poland using blitzkrieg—coordinated air bombardments and armored assaults—to overwhelm Polish defenses within weeks. This lightning-strike strategy shocked the world and signaled both the start of World War II and a revolutionary shift in modern military tactics.

The story of Hitler's first—failed—attempt to takeover Germany

Infamous Nazi leader Adolf Hitler was appointed chancellor of Germany in 1933 after his party won the majority of seats in the country's parliament, the Reichstag. His seemingly legitimate rise to power was actually his second attempt to lead Germany after his failed coup attempt in 1923 which saw him jailed for nine months. Here's the story of that failed putsch, which took place a century ago.

Should the US have entered into World War I?

America entered World War I in 1917, but had remained neutral until that point. President Woodrow Wilson addressed Congress, further underlining the USA's neutrality. Eleven weeks later, he asked for a declaration of war. With attacks by German saboteurs on an American munitions depot, it seemed he had no choice. But did he? This article asks what might have happened if the US stayed out of WWI.

The Concert of Europe's collapse contributed to World War I

The 19th-century great power system gradually unraveled due to rising nationalism, imperial rivalry, and shifting alliances—leading to its collapse in 1914 and the outbreak of the deadliest war the world had yet seen.

Worried that Nazi Germany could weaponize nuclear fission first, Albert Einstein wrote a 1939 letter warning President Roosevelt about the possibility of atomic bombs—a decision he later regretted.

Everything you need to know about WWI

Summarizing World War I seems like an impossible task, but this article makes a great effort at providing a easily digested survey of the Great War. Read about WWI from the first shots fired by assassin Gavrilo Princip at the Archduke Franz Ferdinand and his wife Sophie, to the various campaigns waged by the war's participants, to the equipment provided to the various fighting forces.

How the US entered WWI in 1917

Originally taking a position of neutrality during the course of World War I, the United States of America eventually relented. Entering the war in 1917, support for the British and French had risen and Americans were incensed by Germany's overtures to Mexico and U-boat attacks that sank ships and ended American lives. See how and why the US entered WWI in this article.

European leaders pursued appeasement of Hitler in the 1930s, hoping to avoid war.

German Nazi war crimes suspect, 96, who went on the run goes on trial

A 96-year-old German woman who was caught shortly after going on the run ahead of a court hearing last month on charges of committing war crimes during World War Two appeared before a judge on Tuesday in the northern town of Itzehoe.

The failures of the interwar period made the case for a new international system

After World War I, countries devalued their currencies, raised tariffs to block imports, and seized territory unchecked, with the international community unable to organize effectively to stop them. The result was a global depression and, eventually, another world war.

Critics of Alexander the Great see him as power-hungry and ruthless

Arguments against his greatness include that he likely murdered his father for the throne, poorly led his territories, and only conquered one empire despite touting greater feats. Proponents argue that he was a skilled military leader and helped usher in the Hellenistic Age, where Greek cultural influence spread across Europe and Asia.

Who was impacted by the first world war, and how?

This interactive map from the National Archives in the UK details the global impact of World War I. Countries and territories from Aden to New Zealand were impacted by the Great War, which started in 1914 and lasted until 1918. By selecting various locations on the map, viewers can access articles and evidence on how the war's influence traveled far beyond the front lines.

US troops committed widespread atrocities during the Mexican-American War

American volunteer regiments frequently looted towns, raped civilians, and executed prisoners—especially in occupied northern Mexico. Historians have documented how racial hatred and impunity fueled war crimes that were rarely punished by military leadership.

Why did the Ottoman Empire violently target Armenians during WWI?

In anticipation of threatened Allied landings at the strategically important Gallipoli peninsula, Ottoman authorities arrested 240 Armenian leaders in Constantinople on April 24, 1915, and deported them east. This roundup is commemorated today by Armenians as the beginning of the genocide, according to this article.

Was WWI really the first world war?

Was World War I the first true international conflict? This article thoroughly explores the meaning of the term world war. It also suggests a few previous conflicts, some of which involved battles in the Americas as well as Europe, that might have been more accurately described as a "world wars."

An interactive timeline of the major events of World War I

World War I took place between July 28, 1914 and November 11, 1918, but a lot happened within that relatively short time. And even more occurred afterward. The comprehensive timeline shows when major and influential events took place during the conflict, accompanied by articles, videos, and other media in support.

A 1980 Oktoberfest bombing killed 13 people

The event was the country's deadliest domestic terror attack since World War II, killing 13 people and injuring more than 200. The perpetrator was 21-year-old Gundolf Koehler, who hoped to use the attack to usher in a conservative chancellor.

Picasso's 'Guernica' protested the bombing of a Basque village

By 1937, Picasso's fame and influence had already made him a legend. Yet an unprovoked war crime in Guernica, Spain that same year—where 25 bombers dropped 100,000 pounds of bombs and explosives on civilians—inspired one of his most moving works.

Exploring World War I technology on the battlefield

Industrialization brought massive changes to warfare during the Great War. Newly-invented killing machines begat novel defense mechanisms, which, in turn spurred the development of even deadlier technologies. Nearly every aspect of what we would consider modern warfare debuted on World War I battlefields. Starting with soldiers on horseback carrying lances and ending in poison gas, machine guns, and aerial battles, this gallery shows the first tools of modern warfare.

Why Captain America sparked outrage in 1940

In 1940, Captain America’s debut showed him punching Hitler months before the US entered WWII. The bold cover sparked backlash and even threats.

Hitler's 1941 invasion of the USSR doomed Nazi Germany

Hitler unleashed Operation Barbarossa on June 22, 1941, underestimating Soviet resilience, Russian winter, and logistics. His overconfidence—rooted in early victories like France—turned this campaign into a strategic catastrophe, shifting the war’s momentum irreversibly—often cited as his greatest blunder.

Adolf Hitler deeply admired Henry Ford, citing him as an inspiration for "Mein Kampf"

Hitler frequently praised Ford's anti-semitic viewpoints, both before and during the Holocaust. While Ford denied being sympathetic to the Nazi regime, Hitler kept a portrait of Ford on his desk, and Ford accepted the highest military award available to a foreign citizen from the Nazi government.

Since World War II, formal declarations of war and peace treaties have become increasingly rare, replaced by cease-fires, authorizations of force, and "special military operations."

A visual summary of WWI

This animated video summarizes the "Great War"—World War I—tracing its progression through Europe, detailing the rise of nationalism in the middle of the 19th century until the signing of the peace treaties after 1918. This 18-minute provides a year-to-year accounting of the war with various helpful insights along the way.

US secrets: Project Paperclip

The US launched Project Paperclip in 1946, covertly recruiting over 1,500 German scientists to advance American military and space programs. Among them was Wernher von Braun, a key architect of the V-2 rocket who later became instrumental in NASA’s Apollo missions. While these scientists accelerated technological breakthroughs, their recruitment raised moral debates about overlooking wartime affiliations in the name of progress—questions that remain unresolved today.

The “Phoney War” was an eight‑month build-up to war

From September 1939 to May 1940, following their war declaration on Germany, Britain and France entered a phase of military inaction—even as civil defence measures, naval blockades, and rationing intensified at home. Skirmishes were limited, but the decisive fighting didn't begin until Germany invaded Norway and France in April–May 1940, abruptly ending the uneasy stalemate.

Truman's decision to enter the Korean War without congressional authorization marked a major shift in presidential war powers

Rather than seeking a declaration of war, Truman sent troops to Korea under his own authority, citing the UN Charter and his role as commander in chief. The decision set a precedent that subsequent presidents have relied on ever since.

Detailing the horrific conditions of life in the trenches

What was it like to live and fight in a trench during World War I? If you were on the German side you might have bunkers, electricity, and other basic comforts. If you were on the British and French side the conditions have been described as muddy and "horrific". Find out how unpleasant trench warfare was and how it affected WWI soldiers.

In a 2012 poll, Brits named Washington as the kingdom's greatest military enemy

The poll by the UK's National Army Museum ranked Washington above Irish independence hero Michael Collins, France's Napoleon Bonaparte, German Field Marshal Erwin Rommel, and Mustafa Kemal Atatürk.

Deadliest maritime disaster

In the final months of World War II, 75 years ago, German citizens and soldiers fleeing the Soviet army died when the “Wilhelm Gustloff” sank

Japan committed mass war crimes during its invasion of China

During the 1937 invasion, Japanese forces carried out systematic atrocities—including mass executions, rape, torture, forced labor, and chemical warfare. The Nanjing Massacre alone killed tens of thousands over a span of six weeks, with some estimates claiming 300,000.

Hear how the world reacted to the American Civil War

European nations closely watched the Civil War for its economic and political consequences. Some European nations quietly engaged diplomatically with the Confederacy but withheld recognition. When the Union made slavery's abolition a central cause, European public opinion turned sharply against the South.

How failures at Versailles Conference led to more racial inequality

Suffering a pandemic and the aftermath of a war that killed 50 million, the world in 1920 faced a turning point as it negotiated a new political order. As today, the key issue was racial inequality.

Exploring Kristallnacht

Nov. 9 and 10, 1938, saw Nazi members break into Jewish stores and homes across Germany in retaliation for the assassination of a German diplomat by a Polish Jew. The event—called "Kristallnacht," meaning "night of the broken glass"—was tacitly condoned by the German authorities at the time. This richly produced interactive explores the events of Kristallnacht guided by one of its survivors, Charlotte Knobloch.

Brandenburg v. Ohio set the modern standard for when speech can be punished as incitement

A Ku Klux Klan leader's conviction for a threatening speech prompted the Supreme Court in 1969 to rule that speech is punishable as incitement only if it is directed at—and likely to produce—imminent lawless action.

Silent film star Buster Keaton tried to turn the Civil War into a comedy with the 1926 film 'The General,' which was panned by critics for its pro-Confederate themes and tone-deaf treatment of war.

100 ways the Great War changed the world

What was the point of WWI? What impacts did it have? How has it influenced life today? Click through this Wall Street Journal photo gallery to find out.

What is the International Criminal Court?

The International Criminal Court (ICC) investigates and tries individuals charged with genocide, war crimes, crimes against humanity and the crime of aggression. The ICC’s website provides facts, figures, and key elements defining how the court...