5 Worst Betrayals In The Wartime History

How these betrayals shaped global history?

History Hub
4 min readApr 19, 2024

Trust is everything in war. On the battlefield or in strategic planning rooms, knowing you can rely on your allies is important. However, history is filled with moments when this trust was broken and it led to devastating consequences. These betrayals did not just hurt feelings; they changed the outcomes of battles and even altered the course of history.

Photo by Duncan Kidd on Unsplash

The Attack on Mers-el-Kébir

In 1940, during World War II, a shocking event occurred between two allied countries, Britain and France. After France was defeated by Germany, the British feared that the powerful French fleet might end up in German hands. This would give their enemy a significant advantage. To prevent this, the British made a tough and controversial decision — they attacked the French fleet at the port of Mers-el-Kébir in Algeria.

The attack was devastating. The British navy bombed their former allies without warning, killing almost 1,300 French sailors. This action was meant to ensure the French ships would not be used against the British, but it also severely damaged the trust between the two nations. The French were outraged, and this event strained relations between Britain and France for many years.

The Battle of Hong Kong

In 1941, during World War II, the Battle of Hong Kong was a tragic example of military sacrifice. The British government, hoped to defend the colony against a potential Japanese attack and requested reinforcements from Canada. However, they sent these troops knowing that Hong Kong’s defense was nearly hopeless. The Canadian soldiers, many of whom were inexperienced and poorly equipped, were put into a dire situation far from home.

The battle began in December 1941, just as Japanese forces launched their attacks across the Pacific, including the infamous strike on Pearl Harbor. The defenders of Hong Kong were quickly overwhelmed. Despite their courage, the lack of proper training and support made resistance futile. The battle resulted in severe casualties among the Canadian forces and ended with the Japanese capturing Hong Kong.

America’s Notorious Turncoat

Benedict Arnold is one of the most famous traitors in American history. At first, he was a hero of the American Revolutionary War, bravely leading troops and winning key battles. However, Arnold felt underappreciated and betrayed by his country’s leaders who overlooked him for promotions and accolades.

Frustrated and bitter, he made a decision that would forever mark his name in history as a synonym for betrayal. Arnold secretly agreed to surrender the American fort at West Point to the British in exchange for money and a high position in the British army. His plot was discovered when British Major John André, carrying the plans of West Point, was captured by American forces.

Norway’s National Traitor

Vidkun Quisling became a symbol of betrayal in Norway during World War II. Before the war, he formed his own political party, which supported Nazi Germany’s ideologies. When Germany invaded Norway in 1940, Quisling saw an opportunity to seize power. He declared himself the new leader of Norway on the radio, just hours after the Nazis began their invasion, without any real support from the Norwegian people or the king.

His government was not accepted by most Norwegians and was seen as a puppet regime controlled by the Germans. Quisling’s name quickly became synonymous with traitor, as he helped the Nazis enforce their brutal rule over Norway, including persecuting Jews and other minorities. After the war, Quisling was tried and executed for high treason, his name forever linked to treachery against one’s country.

The Sack of Constantinople

In 1204, during the Fourth Crusade, the city of Constantinople experienced one of the most shocking betrayals in history. The crusaders, who had originally set out to reclaim the Holy Land from Muslim control, turned their attention to Constantinople, the capital of the Christian Byzantine Empire. This shift in target was driven by a mix of political manipulation, debt, and the promise of rich spoils. Despite sharing a common religion, the crusaders attacked the city, leading to a brutal sack that lasted for three days.

The consequences of this betrayal were devastating. The crusaders looted, destroyed, and desecrated one of the richest cities in Christendom which led to the breakdown in relations between the Eastern Orthodox and Roman Catholic churches. The wealth and artifacts taken from Constantinople helped to enrich the attackers but left the Byzantine Empire weakened and vulnerable to future invasions.

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