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A Daily Dose of History: Events on this Day in History

Constantine: Roman Emperor & Christian Conversion (+ 7 more historical events on this day!)

7 min • 25 juli 2025

A Daily Dose of History (25 Jul 2025)

Today's historical events:

Constantine I is proclaimed Roman emperor by his troops.
Climax of the Siege of Thessalonica by the Slavs in a three-day assault on the city walls.
The Edict of Pistres of Charles the Bald orders defensive measures against the Vikings.
Eleanor of Aquitaine marries Prince Louis, later King Louis VII of France, at the Cathedral of Saint-André in Bordeaux.
Battle of Ourique: The Almoravids, led by Ali ibn Yusuf, are defeated by Prince Afonso Henriques who is proclaimed King of Portugal.
The city of Constantinople is recaptured by Nicaean forces under the command of Alexios Strategopoulos, re-establishing the Byzantine Empire.
The naval Battle of Algeciras takes place in the context of the Spanish Reconquista resulting in a victory for the Emirate of Granada and the Maranid Dynasty over the Kingdom of Castile.
The Battle of Molinella: The first battle in Italy in which firearms are used extensively.

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Explanations from OpenAI ChatGPT API with proprietary prompts.

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Senaste avsnitt

Fall of Roman Co-Emperors: Crisis of Third Century (+ 13 more historical events on this day!)

29 juli | 10 min

Thomas Cromwell: Reformation, Treason & Henry's Reign (+ 13 more historical events on this day!)

28 juli | 11 min

Siward's Campaign: Defeat of Macbeth in Scotland (+ 11 more historical events on this day!)

27 juli | 9 min

The First Fitna: Islamic Civil War & Battle of Siffin (+ 9 more historical events on this day!)

26 juli | 8 min

Constantine: Roman Emperor & Christian Conversion (+ 7 more historical events on this day!)

25 juli | 7 min

Constantine: Roman Emperor & Christian Conversion (+ 7 more historical events on this day!)

A Daily Dose of History (25 Jul 2025)

Today's historical events:

Senaste avsnitt

Fall of Roman Co-Emperors: Crisis of Third Century (+ 13 more historical events on this day!)

Thomas Cromwell: Reformation, Treason & Henry's Reign (+ 13 more historical events on this day!)

Siward's Campaign: Defeat of Macbeth in Scotland (+ 11 more historical events on this day!)

The First Fitna: Islamic Civil War & Battle of Siffin (+ 9 more historical events on this day!)

Constantine: Roman Emperor & Christian Conversion (+ 7 more historical events on this day!)

Battle of Nocera: Roger II vs. Ranulf II (+ 13 more historical events on this day!)

Byzantine Triumph: Nikephoros I vs Khan Krum (+ 8 more historical events on this day!)

Anzen 838: Byzantine-Abbasid Conflict (+ 12 more historical events on this day!)

Pope Pontian: Strengthening Early Christianity (+ 12 more historical events on this day!)

Siege of Jerusalem 70 AD: Roman Assault & Temple Destruction (+ 9 more historical events on this day!)

Rome's Great Fire: Catastrophe & Controversy (+ 13 more historical events on this day!)

Emperor Julian's Tragic End in Roman-Persian Wars (+ 14 more historical events on this day!)

Early Christian Martyrdom in North Africa (+ 9 more historical events on this day!)

Battle of Spercheios: Byzantine Triumph 997 (+ 8 more historical events on this day!)

Siege of Jerusalem: Turning Point in Jewish-Roman War (+ 9 more historical events on this day!)

Battle of Cape Colonna: Otto II vs. al-Qasim (+ 10 more historical events on this day!)

William I of Scotland's Capture: Turning Point in 1173-74 Revolt (+ 13 more historical events on this day!)

Fall of Jerusalem: End of Jewish-Roman War (+ 12 more historical events on this day!)

Anthemius: Betrayal and Fall of a Roman Emperor (+ 10 more historical events on this day!)

Emperor Hadrian: Military Conquests to Architectural Legacy (+ 9 more historical events on this day!)

Hadrian: Rome's Greek-loving Emperor (+ 8 more historical events on this day!)

Siege of Jerusalem: Turning Point in Crusade History (+ 11 more historical events on this day!)

Tyre's Fall: Venetian Crusade Triumph 1124 (+ 12 more historical events on this day!)

Heliopolis 640 AD: Arab Triumph in Byzantine Wars (+ 13 more historical events on this day!)

Constantine's Bridge: Roman Engineering Triumph (+ 10 more historical events on this day!)

Pactum Sicardi: Medieval Italian Peace Treaty (+ 5 more historical events on this day!)

Adrianople 324 AD: Constantine's Triumph & Christian Empire (+ 9 more historical events on this day!)

Roman Empire's Political Turmoil: Galla Placidia's Influence (+ 10 more historical events on this day!)

Legions' Oath: Vespasian's Rise to Power (+ 9 more historical events on this day!)

Pope Marcellinus: Courageous Leader of Early Christianity (+ 9 more historical events on this day!)

Cao Rui: Successor of Wei Dynasty (+ 9 more historical events on this day!)

Ragusa: Adriatic City-State of Trade and Diplomacy (+ 11 more historical events on this day!)

Elagabalus Names Alexander Severus Heir (+ 11 more historical events on this day!)

Battle of Vézeronce: Franks vs Burgundians 524 (+ 9 more historical events on this day!)

Aqua Traiana: Rome's Water Triumph (+ 13 more historical events on this day!)

Sun Quan: Rise of Eastern Wu Dynasty (+ 10 more historical events on this day!)

Battle of Versinikia: Byzantine Empire's Turning Point (+ 12 more historical events on this day!)

Belisarius' Naval Campaign Against the Vandals (+ 12 more historical events on this day!)

Battle of Chalons: Attila vs. Aetius (+ 10 more historical events on this day!)

Nicene Creed: Foundation of Christian Beliefs (+ 14 more historical events on this day!)

Emperor Gaozu: Rise of Tang Dynasty (+ 12 more historical events on this day!)

Pope Martin I's Martyrdom: Defending Orthodoxy (+ 10 more historical events on this day!)

Emperor Julian's Critical Turning Point in 363 AD (+ 8 more historical events on this day!)

Louis II: Coronation as King of Italy (+ 11 more historical events on this day!)

Munich: From Henry the Lion to Modern Metropolis (+ 11 more historical events on this day!)

Edict of Milan: Roman Religious Freedom (+ 12 more historical events on this day!)

Strategic Feigned Retreat: Battle of Augsburg 910 (+ 12 more historical events on this day!)

Miracle of the Rain: Roman Triumph in Marcomannic Wars (+ 12 more historical events on this day!)

Emperor Tenji's Rokoku Water Clock: Timekeeping Revolution (+ 10 more historical events on this day!)

Nero's Suicide: End of Julio-Claudian Era (+ 9 more historical events on this day!)

Battle of Antioch: Elagabalus' Rise to Power (+ 14 more historical events on this day!)

Croatia's Independence: Pope John VIII's Recognition (+ 11 more historical events on this day!)

Regency in Byzantine History: Constantine VII's Rule (+ 8 more historical events on this day!)

Kraków's City Rights: A Medieval Milestone (+ 10 more historical events on this day!)

Roquefort Cheese Monopoly: A Culinary Milestone (+ 7 more historical events on this day!)

Usurper Nepotianus: Rise and Fall in Roman Empire (+ 11 more historical events on this day!)

Vandals' 455 AD Sack of Rome: Empire's Decline (+ 11 more historical events on this day!)

Fall of Zhongdu: Genghis Khan's Triumph (+ 12 more historical events on this day!)

Emperor Petronius Maximus: Fall of Rome (+ 12 more historical events on this day!)

Siege of Jerusalem 70 AD: Roman Strategy & Jewish Revolt (+ 14 more historical events on this day!)

Julian's Triumph & Retreat: Battle of Ctesiphon (+ 10 more historical events on this day!)

Hulao Battle: Li Shimin's Triumph in Chinese History (+ 13 more historical events on this day!)

Emicho's Crusade: The Mainz Massacre (+ 10 more historical events on this day!)

Germanicus Triumph: Roman General's Victory Parade (+ 12 more historical events on this day!)

Alfonso VI's Triumph in Toledo: Turning Point in Reconquista (+ 9 more historical events on this day!)

Rise of Henry the Fowler: Medieval Germany's Turning Point (+ 13 more historical events on this day!)

Joan of Arc: Captured, Tried, Burned (+ 11 more historical events on this day!)

Tetrarchy: Roman Empire's Division & Collapse (+ 12 more historical events on this day!)

Nicene Council: Shaping Christian Orthodoxy (+ 10 more historical events on this day!)

Turkic Khaganate's Assault on Tang Dynasty (+ 6 more historical events on this day!)

Emperor Constantine's Food Distribution in Constantinople (+ 13 more historical events on this day!)

Mircea the Elder: Wallachian Triumph Over Ottomans (+ 13 more historical events on this day!)

Emperor Suzaku's Abdication: A Historic Transition (+ 11 more historical events on this day!)

Emperor Liu Bei: Rise of Shu Han (+ 10 more historical events on this day!)

Robert II Names Henry I Junior King: Succession Strategy (+ 11 more historical events on this day!)

Julian of Norwich: Divine Love Visions (+ 11 more historical events on this day!)