1689day.year

Bostonians rise up in rebellion against Sir Edmund Andros.

In 1689, residents of Boston rose against Sir Edmund Andros in a colonial revolt that deposed the unpopular governor.
On April 18, 1689, Bostonians rebelled against Sir Edmund Andros, the royal governor of the Dominion of New England. Angered by Andros's authoritarian rule and taxation policies, colonists seized and imprisoned him. This uprising followed news of the Glorious Revolution in England. Local militia and citizens mobilized to restore their previous colonial charters. The revolt effectively ended the Dominion of New England. It demonstrated early American resistance to centralized authority. Similar uprisings occurred in other New England provinces shortly thereafter.
1689 Bostonians in rebellion Edmund Andros
1775day.year

American Revolution: The British Army advances up the Charles River in Massachusetts to destroy supplies of American militias, while Paul Revere and other riders rapidly warn the countryside.

During the American Revolution on April 18, 1775, British troops moved to seize colonial arms, while Paul Revere warned militias of their approach.
On the night of April 18, 1775, British forces dispatched troops from Boston up the Charles River toward Concord. Their objective was to destroy stored weapons belonging to the American militias. Meanwhile, Paul Revere and other riders spread the alarm throughout the countryside. Revere's famous ride alerted colonial militias to assemble in force. This clash set the stage for the Battles of Lexington and Concord the next morning. It marked the outbreak of open warfare in the American Revolution. The events galvanized colonial resistance and support for independence.
1775 American Revolution British Army Charles River Massachusetts militias Paul Revere rapidly warn the countryside
1847day.year

American victory at the battle of Cerro Gordo opens the way for invasion of Mexico.

In 1847, American forces defeated Mexican defenders at the Battle of Cerro Gordo, opening a route into central Mexico.
The Battle of Cerro Gordo occurred on April 18, 1847, during the Mexican–American War. American troops under Major General Winfield Scott advanced through a narrow mountain pass defended by Mexican forces led by General Santa Anna. After intense fighting, U.S. artillery silenced enemy positions on the heights. The victory gave Scott's army a strategic advantage and a clear path to Puebla and ultimately Mexico City. Mexican casualties were heavy, while American losses were moderate. This engagement demonstrated the effectiveness of American military tactics and logistics. It marked a turning point in the campaign and weakened Mexican morale for the remainder of the war.
1847 battle of Cerro Gordo
1864day.year

Battle of Dybbøl: A Prussian-Austrian army defeats Denmark and gains control of Schleswig. Denmark surrenders the province in the following peace settlement.

In 1864, Prussian and Austrian forces defeated Denmark at the Battle of Dybbøl, leading to the loss of Schleswig.
The Battle of Dybbøl took place on April 18, 1864, during the Second Schleswig War. Combined Prussian and Austrian troops assaulted Danish fortifications at Dybbøl near the Baltic coast. After fierce exchanges, breech-loading artillery and disciplined infantry tactics overwhelmed the Danish defenders. The fall of Dybbøl led Denmark to abandon the province of Schleswig in the peace settlement later that year. The battle showcased Prussia’s military reforms and foreshadowed its rising dominance in German affairs. Danish forces suffered significant casualties and a blow to national morale. The engagement remains a symbol of Danish resistance and is commemorated annually in Denmark. Its outcome reshaped the balance of power in northern Europe.
1864 Battle of Dybbøl Prussian Austrian Schleswig
1897day.year

The Greco-Turkish War is declared between Greece and the Ottoman Empire.

The Greco-Turkish War began in 1897 when Greece and the Ottoman Empire officially declared hostilities.
On April 18, 1897, Greece and the Ottoman Empire formally declared war, beginning the Greco-Turkish War. Tensions over the status of Crete and issues in the Balkans fueled the conflict. Greek forces, despite initial enthusiasm, were poorly equipped and faced logistical challenges. The more organized Ottoman army achieved rapid victories in Thessaly and forced Greece to accept harsh peace terms. The Great Powers intervened to end the war, and the Treaty of Constantinople was signed the following year. Although militarily defeated, Greece secured international support for Cretan autonomy. The conflict highlighted the decline of Ottoman power and the emerging nationalisms in the region. It served as a precursor to the Balkan Wars and reshaped diplomatic alliances.
1897 Greco-Turkish War Ottoman Empire
1915day.year

World War I: French pilot Roland Garros is shot down and glides to a landing on the German side of the lines.

French pilot Roland Garros was shot down and landed behind enemy lines during World War I in 1915.
On April 18, 1915, during the early months of World War I, French aviator Roland Garros was engaged in aerial combat over the Western Front. Piloting one of the first fighter aircraft equipped with a forward-firing machine gun, he clashed with German planes. Garros was shot down by enemy fire but managed to glide his damaged aircraft and land on German-held territory. He was taken prisoner and spent the remainder of the war in captivity. Garros’s innovative mounting of a synchronized gun influenced later fighter designs. His wartime exploits made him a national hero in France. After the war, the Paris airport was named in his honor: Aéroport de Paris-Orly, often called Paris-Orly. Garros’s legacy endures in aviation history and in the namesake tennis tournament, the French Open (Roland-Garros).
1915 World War I Roland Garros
1916day.year

World War I: During a mine warfare in high altitude on the Dolomites, the Italian troops conquer the Col di Lana held by the Austrian army.

During WWI, Italian forces captured the summit of Col di Lana in the Dolomites after mining operations at extreme altitude.
In April 1916, Italian troops executed an elaborate high-altitude mine warfare operation against Austrian positions on Col di Lana in the Dolomites. They tunneled beneath the mountain summit to plant explosives, demonstrating engineering prowess under harsh conditions. On this day, the detonation created a breach in the Austrian defenses, allowing Italian forces to seize the strategic peak. The victory came at a steep human cost due to cold, altitude sickness, and enemy fire. This operation highlighted the brutal mountain warfare that characterized the Alpine fronts during World War I.
1916 mine warfare in high altitude Dolomites
1942day.year

World War II: The Doolittle Raid on Japan: Tokyo, Yokohama, Kobe and Nagoya are bombed.

U.S. forces launched the Doolittle Raid, conducting the first air attack on the Japanese mainland in WWII.
In April 1942, sixteen U.S. B-25 bombers took off from the USS Hornet to strike targets in Tokyo, Yokohama, Kobe, and Nagoya. The daring raid provided a major morale boost to the United States following the attack on Pearl Harbor. Although the physical damage was limited, the psychological impact on both American and Japanese sides was profound. Most crews crash-landed in China or were captured, facing perilous conditions and reprisals. The raid demonstrated the reach of U.S. air power and influenced Japanese strategic decisions in the Pacific War.
1942 World War II Doolittle Raid Yokohama Kobe Nagoya
1943day.year

World War II: Operation Vengeance, Admiral Isoroku Yamamoto is killed when his aircraft is shot down by U.S. fighters over Bougainville Island.

U.S. forces killed Admiral Isoroku Yamamoto in Operation Vengeance, striking a major blow to Japanese naval leadership.
Operation Vengeance was a secret U.S. mission to intercept Admiral Yamamoto's flight over Bougainville Island. On this day in 1943, American fighter planes ambushed and shot down Yamamoto's aircraft. Yamamoto, the mastermind of the Pearl Harbor attack, was a key figure in Japan's naval strategy. His death dealt a psychological and strategic setback to the Imperial Japanese Navy. The operation showcased advanced intelligence work and precision execution by U.S. forces.
1943 Operation Vengeance Isoroku Yamamoto Bougainville Island
1945day.year

World War II: Over 1,000 bombers attack the small island of Heligoland, Germany.

Allied bombers unleashed a massive attack on Heligoland, marking one of the last large-scale raids of WWII in Europe.
In April 1945, over a thousand Allied bombers targeted the German island of Heligoland in the North Sea. The operation aimed to neutralize naval installations and coastal defenses. Heligoland had served as a strategic German stronghold throughout both World Wars. The raid caused extensive destruction to military facilities and infrastructure on the island. This assault was part of the Allies' final push into German territory before the end of the war in Europe.
1945 bombers Heligoland
1945day.year

Italian resistance movement: In Turin, despite the harsh repressive measures adopted by Nazi-fascists, a great pre-insurrectional strike begins.

In Turin, Italian resistance workers launched a major strike against Nazi-fascist authorities, signaling rising anti-occupational unrest.
In April 1945, despite severe repression by Nazi-fascist forces, workers in Turin initiated a large-scale pre-insurrectional strike. The movement was part of the broader Italian resistance against occupying forces and the Vichy collaborator regime. Strikers disrupted industrial production and transportation to weaken the occupiers' war effort. This action galvanized anti-fascist sentiment and contributed to the liberation of Northern Italy. Turin's uprising exemplified civilian courage and the critical role of labor in resistance movements.
Italian resistance movement Turin
1947day.year

The Operation Big Bang, the largest non-nuclear man-made explosion to that time, destroys bunkers and military installations on the North Sea island of Heligoland, Germany.

On April 18, 1947, Operation Big Bang produced the largest non-nuclear man-made explosion of its time on Heligoland, demolishing German bunkers and military installations.
Operation Big Bang, conducted on April 18, 1947, was a massive British demolition operation on the North Sea island of Heligoland. Using thousands of tons of surplus World War II explosives, the goal was to demolish remaining German naval fortifications. The blast leveled bunkers, tunnels, and coastal defenses, creating one of the most powerful peacetime explosions ever recorded. The operation aimed to render the island militarily useless in future conflicts. Witnesses reported tremors felt dozens of miles away and a distinctive fireball at the moment of detonation. The event showcased the immense power of conventional explosives in a post-war context.
1947 Operation Big Bang