Assassination of Roman Emperor Severus Alexander
Severus Alexander, the last emperor of the Severan dynasty, was assassinated by his own soldiers in March of 235 CE near the city of Mutina along the Danube frontier. ...
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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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Roman Empire Succession Crisis
The Year of the Four Emperors was a tumultuous period marking rapid succession of Roman emperors after the fall of Nero. It involved the rise and fall of Galba, Otho, ...
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The 1997 Pyramid-Scheme Crisis
January–August 1997 — The collapse of enormous fraudulent investment schemes wipes out the savings of hundreds of thousands of Albanians. Armed rebellion spreads, mili...
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The Suez Crisis
26 July–7 November 1956 — Nasser nationalizes the Suez Canal Company after Western governments withdraw support for the Aswan High Dam. Britain, France and Israel secr...
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Albania Breaks With Yugoslavia
1948 — The Tito-Stalin split transforms Albania's foreign alignment. Hoxha uses the crisis to eliminate Yugoslav influence and bind Albania much more closely to Stalin...
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Military Defeat and Domestic Crisis Converge
August–November 1918 — Germany and its allies face military retreat, shortages, exhaustion and growing political instability. Bulgaria, the Ottoman Empire and Austria-...
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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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Railway Mobilization Accelerates the Crisis
28 July–4 August 1914 — European armies activate enormous prearranged railway timetables to mobilize millions of soldiers. Military planners argue that delaying mobili...
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Who Turned an Assassination Into a World War?
28 June–4 August 1914 — Sarajevo creates the crisis, but successive decisions by Austria-Hungary, Germany, Russia, France and Britain determine how far it spreads. The...
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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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Assassination at Sarajevo
28 June 1914 — Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, and his wife Sophie are assassinated during an official visit to Sarajevo. Gavrilo Princi...
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Austria-Hungary Delivers Its Ultimatum
23 July 1914 — Austria-Hungary presents Serbia with a severe ultimatum designed to suppress anti-Habsburg activity and permit substantial Austro-Hungarian involvement ...
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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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Collective Security Fails in the Ethiopian Crisis
18 November 1935 — League of Nations sanctions against Italy enter into force after Mussolini's invasion of Ethiopia. The measures exclude crucial materials such as oi...
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Cyprus Crisis Brings Junta Down
July 1974 — A Greek-backed coup in Cyprus and subsequent Turkish intervention trigger the collapse of the military regime.
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Did Versailles Cause World War II?
28 June 1919 — Versailles created genuine political grievances and became a powerful symbol in German nationalist politics. Yet there were many possible paths after 19...
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Economic Depression Radicalizes Politics
24 October 1929 — The beginning of the Wall Street panic provides an anchor for the economic collapse that spreads across industrial economies. Unemployment rises dram...
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Erich von Manstein
24 November 1942 — Manstein receives command of Army Group Don during the Stalingrad crisis. He attempts to organize relief of the Sixth Army and later conducts the su...
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German Hyperinflation Peaks
15 November 1923 — Germany introduces the Rentenmark during the final phase of the hyperinflation crisis. Years of wartime debt, fiscal instability, reparations pressu...
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Germany Declares War on France
3 August 1914 — Germany declares war on France while German forces move through Luxembourg and prepare to enter Belgium. German planners seek a rapid defeat of France ...
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Germany Gives Austria-Hungary the 'Blank Cheque'
5 July 1914 — Austro-Hungarian envoy Alexander Hoyos receives powerful assurances in Berlin that Germany will support Vienna if it acts against Serbia, even if Russian...
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Greek Debt Crisis
2009–2018 — Sovereign debt, recession, austerity and bailout programs produce one of modern Greece's deepest economic crises.
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Gustav Stresemann
13 August 1923 — Stresemann becomes German chancellor during the Ruhr and inflation crisis and later serves as foreign minister. He ends passive resistance in the Ruhr...
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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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Japan Invades Manchuria
18 September 1931 — Japanese officers use the Mukden Incident as a pretext for military expansion into Manchuria. Japanese forces rapidly occupy the region and later e...
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Kaiser Wilhelm II
German emperor. During the crisis he supported Austria-Hungary but later also participated in attempts to prevent escalation.
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