Aurelian Reunites Roman Empire
In late September, Emperor Aurelian engaged and defeated the forces of the breakaway Gallic Empire near Châlons-en-Champagne. This victory effectively ended the secess...
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· September 18, 0014 to
February 11, 2026
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Rise of Emperor Aurelian
Aurelian was proclaimed emperor by his troops following the death of Emperor Claudius Gothicus. His accession marked a significant turning point during the Crisis of t...
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Gallienus' Military Reorganization Initiated
Emperor Gallienus initiated a series of military reforms to address ongoing threats to the Roman Empire. These reforms aimed to improve the mobility and responsiveness...
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Gallienus Ascends Roman Throne
Gallienus became Roman Emperor following the assassination of his father, Valerian. His accession marked the beginning of a co-rule, where he shared power with his fat...
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Gordian II's Failed Roman Revolt
The revolt led by Gordian II was part of a larger uprising against the reigning emperor Maximinus Thrax. Gordian II, alongside his father Gordian I, was proclaimed emp...
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Dual Rule of Roman Emperors
Following the death of Emperor Maximinus Thrax, the Roman Senate appointed Pupienus and Balbinus as co-emperors to restore order within the Roman Empire. Their joint a...
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Senatorial Revolt Against Rome's Emperor
The revolt of Gordian I was a significant uprising against the Roman Emperor Maximinus Thrax in 238, known as the Year of the Six Emperors. Senatorial opposition to Ma...
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Rise of Emperor Gordian III
Gordian III ascended to the Roman imperial throne following a period of political instability known as the Year of the Six Emperors. At the age of thirteen, he was dec...
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Rise of Emperor Maximinus Thrax
Maximinus Thrax, a Roman soldier of humble origins, was proclaimed emperor by his troops following the assassination of Severus Alexander. His accession marked the beg...
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Foundation of the Sasanian Empire
The Sasanian Empire was founded by Ardashir I after he defeated the Parthian king Artabanus IV in battle. This victory marked the end of the Parthian dynasty and the r...
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Severus Alexander Becomes Emperor
Severus Alexander was proclaimed Roman Emperor following the assassination of Elagabalus. The Roman Senate officially endorsed his accession, marking a return to more ...
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Roman Emperor Elagabalus Assassinated
Elagabalus, Roman emperor notorious for his controversial religious and political actions, was assassinated on March 11 after a brief reign. His rule was marked by sig...
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Roman Imperial Power Shift
Macrinus, formerly a praetorian prefect, became Roman Emperor following the assassination of Caracalla. This marked a significant shift in imperial authority as Macrin...
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Imperial Murder of Roman Emperor
Caracalla, Roman Emperor and son of Septimius Severus, was assassinated amid a military campaign in Moesia. While traveling through the province, he was murdered by a ...
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Geta Elevated to Augustus Title
Publius Septimius Geta, son of Emperor Septimius Severus, was granted the title of Augustus, marking him as co-emperor alongside his father and brother Caracalla. This...
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Geta Granted Augustus Title
Publius Septimius Geta, son of Emperor Septimius Severus, was granted the title of Augustus by the Roman Senate. This elevated Geta to co-emperor status alongside his ...
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Caracalla Declares Himself Augustus
Caracalla officially took the title of Augustus, marking his elevation to co-emperor alongside his father, Septimius Severus. This move solidified his position within ...
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End of Clodius Albinus Rebellion
Clodius Albinus, a Roman usurper and rival claimant to the imperial throne, was defeated at the Battle of Lugdunum. The conflict ended his rebellion during a time of c...
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Clodius Albinus Declares Caesar
Clodius Albinus, governor of Britannia, declared himself Caesar in a bid to claim imperial power during the turbulent Year of the Five Emperors. His proclamation chall...
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Severus Crowned Roman Emperor
Septimius Severus was proclaimed emperor by his troops following the death of Emperor Pertinax. This marked the beginning of the Severan dynasty and significant change...
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Niger's Revolt Against Roman Rule
Pescennius Niger, governor of Syria, declared himself Roman emperor after the death of Emperor Pertinax. His claim to the throne sparked a civil war against Septimius ...
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Senatorial Auction for Roman Empire
Following the assassination of Emperor Pertinax, the Roman imperial throne was sold to the highest bidder by the Senate. Didius Julianus secured the empire by offering...
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Murder of Roman Emperor Pertinax
Pertinax, Roman Emperor for a brief reign, was assassinated by members of the Praetorian Guard. His attempts to reform the empire and enforce discipline antagonized th...
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Commodus' Gladiatorial Combat in Rome
Emperor Commodus, known for his unconventional rule, famously participated in gladiatorial combats in Rome. Unlike previous emperors, he openly fought as a gladiator, ...
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Fascist Italy Invades Albania
7 April 1939 — Italian forces invade Albania after King Zog rejects Mussolini's demands for greater Italian control. Zog flees the country and Albania is incorporated ...
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Egyptian Independence Declared
28 February 1922 — Britain formally ends its protectorate and recognizes Egypt as an independent sovereign state. Important issues remain under British control, includ...
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Victors Convert Military Victory Into a Political Settlement
January–June 1919 — Allied leaders negotiate borders, reparations, military restrictions, mandates and a new international organization. Wilson's language of self-dete...
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Russian Revolution Topples the Tsar
8 March 1917 — Demonstrations, strikes and bread shortages in Petrograd begin the revolutionary crisis that destroys the imperial government. Soldiers increasingly ref...
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Wilson Reframes the War Around a New International Order
1917–1918 — Woodrow Wilson increasingly presents American participation as part of a larger project to restructure international relations. His Fourteen Points call fo...
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War Exhaustion Destabilizes Russia
1915–1917 — Battlefield losses, inflation, food distribution failures and political distrust progressively weaken the Russian state. Confidence in Nicholas II collapse...
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Royal Navy and Admiralty
1914–1919 wartime role — Britain's navy protects imperial shipping routes, contains the German High Seas Fleet and implements the maritime blockade of the Central Powe...
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Balkan Nationalism Threatens the Habsburg Order
1908–1914 — Austria-Hungary faces growing nationalist pressures in the Balkans following the Bosnian annexation crisis and Serbia's expansion during the Balkan Wars. S...
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Suez Canal Opens
17 November 1869 — The Suez Canal officially opens, connecting the Mediterranean and Red Seas without requiring ships to sail around Africa. The canal transforms globa...
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Napoleon Invades Egypt
1 July 1798 — French forces under Napoleon Bonaparte land in Egypt. The invasion aims to weaken British access to India while expanding French influence in the eastern...
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Egypt in the Eastern Roman Empire
395–641 CE — Egypt becomes part of the eastern Roman Empire centered on Constantinople, later called Byzantine. Alexandria remains one of Christianity's major intellec...
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Egypt Becomes Roman
30 BCE — Octavian captures Alexandria after the deaths of Antony and Cleopatra. Egypt becomes a Roman province under unusually close imperial supervision because of it...
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Persia Conquers Egypt
525 BCE — Cambyses II of the Achaemenid Persian Empire defeats Pharaoh Psamtik III and incorporates Egypt into the Persian imperial system. Persian kings adopt pharaon...
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The New Kingdom
c. 1550–1070 BCE — Egypt becomes one of the great imperial powers of the Late Bronze Age. Pharaohs campaign into Nubia and the Levant while wealth flows into enormous ...
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Athens' Golden Age
5th century BCE — Athens becomes a major center of architecture, philosophy, drama and imperial power.
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Britain Enters the War
4 August 1914 — Britain declares war on Germany after German forces invade neutral Belgium and Berlin fails to meet the British demand for Belgian neutrality to be res...
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British War Cabinet Rejects the Path Toward Negotiation
28 May 1940 — During the military crisis in France, Britain's War Cabinet continues debating whether Italian mediation might open negotiations with Germany. Winston Ch...
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Hideki Tojo
1940–1944 senior Japanese leadership — General Hideki Tojo becomes Japanese prime minister in October 1941 as negotiations with the United States approach collapse. He...
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Italy Invades Ethiopia
3 October 1935 — Fascist Italy invades Ethiopia from Eritrea and Italian Somaliland. Mussolini seeks imperial expansion, prestige and revenge for Italy's earlier defea...
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Mitsubishi Heavy Industries
1937–1945 wartime expansion — Mitsubishi becomes one of Japan's most important industrial groups supporting naval construction, aircraft production, machinery and othe...
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Paris Peace Conference Opens
18 January 1919 — The victorious Allied and Associated Powers gather in Paris to determine the postwar settlement. Woodrow Wilson, Georges Clemenceau, David Lloyd Geor...
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United States Freezes Japanese Assets
26 July 1941 — Following Japan's movement into southern French Indochina, the United States freezes Japanese assets. British and Dutch measures follow, and Japanese ac...
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