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Encyclopedia / Religious Studies & Theology

History of Religion

Specialty Knowledge entries in History of Religion.

The School of Athens, a fresco by Raphael depicting classical Greek philosophers whose thought emerged during the Axial Age

Axial Age

Overview The Axial Age refers to a remarkable period, roughly between 800 and 200 BCE, during which several major philosophical and religious traditions emerged largely independently across widely separated regions of Eurasia. Philosopher Karl Jaspers coined the term in the twentieth century to highlight the striking parallel timing of these developments despite minimal direct contact

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The Axial Age is a term describing a period roughly between 800 and 200 BCE when several major philosophical and religious traditions emerged independently across Eurasia.

A 1588 fresco by Pasquale Cati depicting the Council of Trent, the central event of the Catholic Counter-Reformation

Counter-Reformation

Overview The Counter-Reformation refers to the Catholic Church broad response to the Protestant Reformation, encompassing doctrinal clarification, institutional reform, renewed spiritual and missionary energy, and substantial cultural patronage, unfolding significantly across the sixteenth and seventeenth centuries following the initial Protestant challenge. The Council of Trent The Council of Trent, convened across several sessions between 1545

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The Counter-Reformation was the Catholic Church response to the Protestant Reformation, involving doctrinal clarification, institutional reform, and renewed missionary and cultural activity.

A medieval manuscript illumination depicting the capture of Jerusalem during the First Crusade

Crusades

Overview The Crusades were a series of religiously motivated military campaigns, primarily occurring between the eleventh and thirteenth centuries, through which Western European Christian forces sought to recover and defend territory in the Holy Land that had come under Muslim political control in preceding centuries. The First Crusade Pope Urban II call to arms in

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The Crusades were a series of religiously motivated military campaigns, primarily between the eleventh and thirteenth centuries, aimed at recovering and defending Christian-held territory in the Holy Land.

The head of a colossal marble statue of Emperor Constantine, who issued the Edict of Milan in 313 CE, Capitoline Museums, Rome

Edict of Milan

Overview The Edict of Milan was a landmark proclamation issued jointly by Roman emperors Constantine and Licinius in 313 CE, establishing religious toleration for Christianity and other religions throughout the Roman Empire and marking a decisive turning point in the status of the Christian faith within Roman society and governance. Historical Context The edict followed

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The Edict of Milan was a 313 CE proclamation by Roman emperors Constantine and Licinius establishing religious toleration for Christianity throughout the Roman Empire.

An 1849 lithograph depicting an outdoor tent revival meeting during the Second Great Awakening in Hartford, Connecticut

Great Awakening

Overview The Great Awakening refers to a series of intense Protestant religious revivals that swept through the American colonies and parts of Britain beginning in the 1730s, dramatically reshaping religious life and emphasizing personal, emotionally engaged conversion experience over inherited or merely formal religious affiliation. Key Figures Itinerant preachers such as George Whitefield traveled extensively,

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The Great Awakening refers to a series of Protestant religious revivals that swept through the American colonies and Britain during the eighteenth and nineteenth centuries.

The central nave of Hagia Sophia in Istanbul, the cathedral at the center of the events leading to the Great Schism of 1054

Great Schism

Overview The Great Schism, also called the East-West Schism, refers to the formal division between the Eastern Orthodox and Roman Catholic churches, conventionally dated to 1054, which split Christianity into its two major historical branches and whose effects persist within global Christianity to the present day. Underlying Causes Long-developing theological, liturgical, and political differences preceded

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The Great Schism refers to the 1054 split between the Eastern Orthodox and Roman Catholic churches, dividing Christianity into two major branches.

A 1683 painting by Francisco Rizi depicting a Spanish Inquisition auto de fe ceremony in the Plaza Mayor of Madrid

Inquisition

Overview The Inquisition refers to several distinct institutions established by the Catholic Church across different periods and regions to investigate and address perceived heresy, employing formal interrogation and trial procedures that varied considerably in severity and scope depending on the specific historical and political context involved. Medieval Origins The medieval Inquisition emerged in the thirteenth

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The Inquisition refers to several institutions established by the Catholic Church to investigate and address perceived heresy, most notably in medieval and early modern Europe.

A 14th century manuscript illustration of an astrolabe based on the work of astronomer Masha allah, reflecting the scientific achievements of the Islamic Golden Age

Islamic Golden Age

Overview The Islamic Golden Age refers to a remarkable period of scientific, cultural, and economic flourishing across the Muslim world, generally dated from roughly the eighth through the thirteenth centuries, during which scholars working within Islamic civilization made substantial contributions across mathematics, medicine, astronomy, philosophy, and the arts. Centers of Learning Baghdad, capital of the

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The Islamic Golden Age refers to a period of significant scientific, cultural, and economic flourishing across the Muslim world, roughly from the eighth through the thirteenth centuries.

A 1528 portrait of Martin Luther by Lucas Cranach the Elder

Protestant Reformation

Overview The Protestant Reformation was a transformative sixteenth century religious movement that challenged the authority and certain doctrines of the Roman Catholic Church, ultimately producing lasting institutional divisions within Western Christianity that persist to the present day. It is conventionally dated from the actions of Martin Luther in 1517. Luther Challenge Martin Luther, an Augustinian

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The Protestant Reformation was a sixteenth century religious movement that challenged the authority of the Roman Catholic Church and produced lasting divisions within Western Christianity.

The Christian Martyrs Last Prayer by Jean-Leon Gerome, depicting condemned believers awaiting execution in an ancient Roman arena

Religious Persecution

Overview Religious persecution refers to the systematic mistreatment of individuals or communities specifically because of their religious beliefs or practices, carried out variously by state authorities, dominant religious institutions, or broader social majorities, and documented across virtually every period of recorded human history and every major world region. Historical Examples History offers numerous documented examples

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Religious persecution refers to the systematic mistreatment of individuals or groups on the basis of their religious beliefs or practices, carried out by governments, dominant religious institutions, or social majorities.