1743day.year
In the Battle of Dettingen, George II becomes the last reigning British monarch to participate in a battle.
During the Battle of Dettingen on June 27, 1743, King George II personally led British troops, becoming the last reigning monarch to fight in battle.
The Battle of Dettingen was fought in Bavaria as part of the War of the Austrian Succession. British and allied forces clashed with the French army near the village of Dettingen on June 27th. King George II rode at the head of his troops, inspiring soldiers but risking royal safety. The British-led army secured a decisive victory, capturing enemy cannons and forcing a French withdrawal. George II’s participation boosted troop morale and became a celebrated event back home. The engagement is immortalized in Handel’s Dettingen Te Deum, composed to honor the king’s achievement.
1743
Battle of Dettingen
George II
1760day.year
Anglo-Cherokee War: Cherokee warriors defeat British forces at the Battle of Echoee near present-day Otto, North Carolina.
On June 27, 1760, Cherokee warriors ambushed and defeated British troops at the Battle of Echoee in the mountains of present-day North Carolina.
The Battle of Echoee occurred during the Anglo-Cherokee War as British forces advanced through the Blue Ridge Mountains. Seeking to punish Cherokee resistance, a column of British soldiers marched through dense forest terrain. Cherokee warriors, using their intimate knowledge of the land, launched a surprise attack on the unsuspecting troops. The British suffered heavy casualties and were forced to retreat to safer ground. This victory demonstrated Cherokee resilience and tactical expertise in defending their homelands. Despite such successes, continued colonial pressure and subsequent treaties led to significant Cherokee land loss in the following years.
1760
Anglo-Cherokee War
Cherokee
British
Battle of Echoee
Otto, North Carolina
1806day.year
British forces take Buenos Aires during the first of the British invasions of the River Plate.
During the first British invasion of the River Plate on June 27, 1806, British troops captured the city of Buenos Aires.
In early 1806, Britain sought to expand its influence in Spanish South America by targeting the wealthy port of Buenos Aires. Led by Sir William Beresford, a British expeditionary force landed near the city and mounted a rapid assault on its fortifications. On June 27th, the defenders, unprepared and poorly coordinated, were overwhelmed by disciplined British infantry. The occupation stunned the local population and colonial authorities. However, popular resistance soon rallied under Santiago de Liniers, leading to the British surrender and evacuation. This episode sparked a wave of Creole patriotism that eventually contributed to the region’s independence movements.
1806
Buenos Aires
British invasions of the River Plate
1864day.year
American Civil War: Confederate forces defeat Union forces during the Battle of Kennesaw Mountain during the Atlanta Campaign.
On June 27, 1864, Confederate troops repelled Union forces at the Battle of Kennesaw Mountain during the Atlanta Campaign.
The Battle of Kennesaw Mountain was a key engagement in General William T. Sherman’s push toward Atlanta. Union forces launched a frontal assault on heavily fortified Confederate positions atop the mountain. Under General Joseph E. Johnston, the Confederates inflicted severe casualties on the attacking soldiers. Recognizing the futility of direct attacks, Sherman shifted to flanking maneuvers after the battle. Although a tactical victory for the South, it did not halt Sherman's advance toward Atlanta. The engagement highlighted the brutal cost of frontal assaults in Civil War battles.
1864
American Civil War
Battle of Kennesaw Mountain
Atlanta Campaign
1905day.year
During the Russo-Japanese War, sailors start a mutiny aboard the Russian battleship Potemkin.
During the Russo-Japanese War on June 27, 1905, sailors aboard the Russian battleship Potemkin staged a famous mutiny.
Crewmen aboard the Potemkin rebelled over spoiled food and brutal treatment by their officers. They seized control of the battleship while anchored in the Black Sea, killing several officers. The mutineers hoped their uprising would spark a broader naval revolt against the Tsarist regime. Their bold move inspired demonstrations in Odessa but ultimately failed to spread further. The incident became a potent symbol of revolutionary unrest leading up to the 1905 Russian Revolution. The mutiny was later immortalized in Sergei Eisenstein’s 1925 film Battleship Potemkin.
1905
Russo-Japanese War
Russian battleship Potemkin
1941day.year
Romanian authorities launch one of the most violent pogroms in Jewish history in the city of Iași, resulting in the murder of at least 13,266 Jews.
Romanian forces carry out the Iași pogrom, killing at least 13,266 Jews in one of the deadliest massacres of the Holocaust.
On June 27, 1941, Romanian authorities and local civilians perpetrate the Iași pogrom against Jewish residents. Over several days, systematic killings, torture, and deportations result in the deaths of at least 13,266 men, women, and children. The massacre follows Romania's entry into World War II as an ally of Nazi Germany. Ghettos are established, and victims are often thrown from trains into remote areas. The pogrom stands as one of Romania's most brutal wartime atrocities. Memorials and scholarly research continue to honor the victims and document this dark chapter in European history.
1941
Romanian authorities
one of the most violent pogroms
Iași
1941day.year
World War II: German troops capture the city of Białystok during Operation Barbarossa.
German troops seize the city of Białystok during Operation Barbarossa in the early stages of World War II.
During the initial phase of Operation Barbarossa on June 27, 1941, German forces capture Białystok from Soviet control. The city, located in northeastern Poland, was a strategic rail and communications hub. Its fall opens vital supply lines for the advancing Wehrmacht into the Soviet Union. Occupation brings harsh military administration and the beginning of persecution against the local Jewish population. The capture of Białystok exemplifies the speed and scale of the German offensive. It marks a crucial moment in the Eastern Front, shaping subsequent military and civilian experiences in the region.
World War II
Białystok
Operation Barbarossa
1944day.year
World War II: Mogaung is the first place in Burma to be liberated from the Japanese by British Chindits, supported by the Chinese.
British Chindits and Chinese forces liberate Mogaung in Burma from Japanese occupation.
On June 27, 1944, the British special operations unit known as the Chindits, supported by Chinese divisions, secure Mogaung in northern Burma. The town held strategic importance along the Burma Road supply route. Over several weeks of intense jungle warfare, Allied forces overcome entrenched Japanese defenses. The victory boosts Allied morale and facilitates further operations towards Myitkyina. Medal of Honor recipients like John W. Foster emerge from the battle’s fierce engagements. Liberation of Mogaung symbolizes the effectiveness of long-range penetration tactics in the Southeast Asian theater.
1944
Mogaung
Burma
liberated from the Japanese
Chindits
1950day.year
The United States decides to send troops to fight in the Korean War.
The United States commits troops to the Korean War, marking its direct military engagement on the Korean Peninsula.
On June 27, 1950, President Harry S. Truman orders American forces to join United Nations efforts in Korea. This decision follows North Korea’s invasion of South Korea three days earlier. U.S. troops arrive at Pusan, establishing a defensive perimeter to halt the communist advance. The commitment signals a firm policy of containment against Soviet and Chinese influence. American involvement escalates the conflict into a major international war. The deployment shapes future U.S. military strategy and Cold War geopolitics in Asia.
1950
Korean War
1976day.year
Air France Flight 139 (Tel Aviv-Athens-Paris) is hijacked en route to Paris by the PFLP and redirected to Entebbe, Uganda.
Air France Flight 139 was hijacked by members of the Popular Front for the Liberation of Palestine and diverted to Entebbe, Uganda, in 1976.
On the evening of June 27, 1976, hijackers from the PFLP stormed the Tel Aviv–Athens–Paris flight en route to Paris.
They forced the aircraft to land at Entebbe Airport, demanding the release of Palestinian prisoners.
The remaining passengers were held hostage in the old terminal under tense conditions.
Israeli intelligence tracked their location, planning a daring rescue mission.
Days later, in Operation Thunderbolt, Israeli commandos stormed the terminal and freed most hostages.
The incident became a defining moment in counterterrorism history.
1976
Air France
Flight 139
Tel Aviv
Athens
PFLP
Entebbe
1991day.year
Two days after it had declared independence, Slovenia is invaded by Yugoslav troops, tanks, and aircraft, starting the Ten-Day War.
Yugoslav forces launch an invasion of newly independent Slovenia, sparking the brief Ten-Day War.
On June 27, 1991, just two days after declaring independence from Yugoslavia, Slovenia was attacked by the Yugoslav People’s Army. Tanks, infantry, and aircraft moved into Slovenian territory in an attempt to suppress the secession. The ensuing Ten-Day War saw fierce but localized fighting, resulting in relatively light casualties compared to other Balkan conflicts. Slovenia’s defenders held strategic positions and secured international sympathy. By early July, a ceasefire was brokered, paving the way for Slovenia’s full sovereignty and the eventual dissolution of Yugoslavia.
1991
Slovenia
Yugoslav
Ten-Day War
2017day.year
A series of powerful cyberattacks using the Petya malware target websites of Ukrainian organizations and counterparts with Ukrainian connections around the globe.
In 2017, the Petya malware unleashed devastating cyberattacks on Ukrainian organizations and global partners, crippling critical systems. The campaign highlighted major cybersecurity vulnerabilities.
In June 2017, the Petya malware unleashed a wave of destructive cyberattacks on Ukrainian organizations and their global partners.
The attack encrypted critical data and demanded ransom payments in cryptocurrency, crippling government and private sector systems.
Targets ranged from financial institutions to media outlets, disrupting daily operations.
Security experts traced the campaign to state-sponsored actors aiming to destabilize Ukraine's infrastructure.
Within hours, the malware spread internationally, affecting businesses in multiple countries.
The incident highlighted vulnerabilities in digital defenses and prompted a global push for improved cybersecurity measures.
2017
series of powerful cyberattacks
Petya
Ukrainian