Crisis of Empire is a 1988 military science fiction tetralogy by David Drake and four co-authors, comprising: An Honorable Defense: Crisis of Empire I...

The Crisis of the Third Century, also known as the Military Anarchy or the Imperial Crisis (235–284), was a period in Roman history during which the Roman...

The Mughal Empire was an early modern empire in South Asia. At its peak, the empire stretched from the outer fringes of the Indus River Basin in the west...

The Palmyrene Empire was a short-lived breakaway state from the Roman Empire resulting from the Crisis of the Third Century. Named after its capital city...

The Bosnian Crisis, also known as the Annexation Crisis (German: Bosnische Annexionskrise, Turkish: Bosna Krizi; Serbo-Croatian: Aneksiona kriza, Анексиона...

The Ottoman Empire, also called the Turkish Empire, was an imperial realm that controlled much of Southeast Europe, West Asia, and North Africa from the...

before the Council of Constantinople in 381, the Trinitarian version of Christianity became the official religion of the Roman Empire when Emperor Theodosius...

The 2007–2008 financial crisis, or the global financial crisis (GFC), was the most severe worldwide economic crisis since the Great Depression. Predatory...

govern the entire Empire was institutionalized by emperor Diocletian following the disastrous civil wars and disintegrations of the Crisis of the Third Century...

independence to most territories of the empire. The Suez Crisis of 1956 confirmed Britain's decline as a global power, and the handover of Hong Kong to China on...