Medieval Christianity & Church Reform
Cluniac Reform – A movement in the 10th and 11th centuries that sought to free the Church from secular influence by emphasizing monastic purity and obedience to the pope.
Pope Gregory VII – A reformist pope (r. 1073–1085) who fought against lay investiture, asserting papal supremacy over secular rulers.
Lay Investiture – The practice of secular rulers appointing bishops and abbots, which led to conflict between church and state.
King Henry IV of Germany – The Holy Roman Emperor who clashed with Pope Gregory VII over lay investiture, leading to his excommunication.
Excommunication – A severe Church punishment that cut individuals off from the sacraments and Christian community.
Papal Curia – The administrative body of the Church, assisting the pope in governance.
Pope Innocent III – A powerful pope (r. 1198–1216) who expanded papal authority and called the Fourth Lateran Council.
Interdict – A Church sanction that forbade the administration of sacraments in a particular region to pressure rulers.
Monasticism & Religious Orders
Convents – Religious communities where nuns lived in devotion to God.
Hildegard of Bingen – A 12th-century abbess, mystic, composer, and writer known for her theological and scientific works.
Cistercian Order – A stricter offshoot of the Benedictine order, emphasizing simplicity and manual labor.
Benedictine Order – A monastic order founded by St. Benedict that followed the Rule of St. Benedict, promoting prayer and work.
Mendicant Orders: Franciscans, Dominicans – Religious groups that lived by begging and preaching, rejecting monastic seclusion.
Francis of Assisi – Founder of the Franciscans, who emphasized poverty and care for the poor.
Dominic de Guzman – Founder of the Dominicans, who focused on preaching against heresy.
Poor Clares – A Franciscan order of nuns that lived in poverty and devotion.
Beguines – Communities of laywomen who lived in piety without formal vows.
Christian Beliefs & Practices
Sacraments – Sacred rituals of the Church, such as baptism and the Eucharist.
Relics – Holy objects associated with saints, believed to have spiritual power.
Indulgences – Grants from the Church that reduced time in purgatory, sometimes abused for financial gain.
Purgatory – A place where souls were purified before entering heaven.
Pilgrimage – A religious journey to sacred sites.
The Crusades & Religious Conflict
Crusade – A series of holy wars launched by Christians to reclaim the Holy Land from Muslims.
Fourth Lateran Council – A 1215 Church council led by Pope Innocent III, which defined Church doctrine and required Jews and Muslims to wear identifying clothing.
Anti-Semitism – Hostility toward Jews, often leading to persecution.
Pre-Islamic Arabia & Early Islam
Bedouins – Nomadic Arab tribes that played a key role in early Islamic society.
Muruwwa – The pre-Islamic Arab code of honor, emphasizing bravery and loyalty.
Mecca – A major Arabian trade and religious center, the birthplace of Islam.
Parthians – An Iranian dynasty (247 BCE–224 CE) that controlled Persia before the Sassanids.
Sassanids – The Persian dynasty (224–651 CE) that rivaled the Byzantine Empire.
Zoroastrianism – The dominant religion of the Sassanid Empire, focused on the struggle between good and evil.
Ka’ba – A sacred shrine in Mecca that became the center of Islamic worship.
Quraysh – The dominant tribe of Mecca, which initially opposed Muhammad.
Sheik – A tribal leader in Arabian society.
Muhammad & Islamic Beliefs
Muhammad – The founder of Islam, believed to be God’s final prophet.
Hadith – Collections of Muhammad’s sayings and actions, guiding Islamic practice.
Qur’an – The holy book of Islam, believed to contain God’s revelations.
Khadija – Muhammad’s first wife and supporter.
Hashemite – Muhammad’s clan within the Quraysh tribe.
Gabriel (Jibril) – The angel who revealed God’s message to Muhammad.
Hagira (Hijra) – Muhammad’s migration to Medina in 622, marking the start of the Islamic calendar.
Umma – The united Muslim community.
Islamic Practices & Expansion
Medina – The city where Muhammad established the first Muslim community.
5 Pillars of Islam – The core practices of Islam: faith, prayer, fasting, almsgiving, and pilgrimage.
Hajj – The pilgrimage to Mecca, required of Muslims.
Ramadan – The month of fasting in Islam.
Ulama – Islamic scholars who interpret religious law.
Caliph – The leader of the Muslim community after Muhammad.
Abu Bakr – The first caliph, who unified Arabia.
Imam – A leader of Islamic worship, especially in Shi’ism.
Jihad – The struggle for faith, interpreted as both spiritual struggle and holy war.
Islamic Dynasties & Culture
Umayyads – The first major Islamic dynasty (661–750), centered in Damascus.
Rashidun – The first four caliphs, seen as rightly guided.
Mu’awiya – The first Umayyad caliph, who moved the capital to Damascus.
Damascus – The Umayyad capital.
Berbers – North African peoples who converted to Islam.
Tariq – A Muslim general who led the conquest of Spain.
Gibraltar – The site where Tariq landed in Spain.
Andalusia – Muslim-controlled Spain.
Tours – The battle where Charles Martel stopped the Muslim advance into France.
Greek Fire – A Byzantine weapon used against Muslim fleets.
Shi’ites – Muslims who believe leadership should stay within Muhammad’s family.
Sunnis – Muslims who follow the consensus in choosing leaders.
Abbasids – The dynasty that overthrew the Umayyads, moving the capital to Baghdad.
Baghdad – The Abbasid capital, a center of learning.
Harun al-Rashid – A great Abbasid caliph known for cultural and scientific advancements.
Vizier – A high-ranking political advisor in Islamic states.
Seljuk Turks – A Central Asian people who became powerful in the Islamic world.
Sultan – A ruler in the Muslim world.
Manzikert – A battle in 1071 where the Seljuks defeated the Byzantines.
Hasan al-Sabbah – The leader of the Nizari Ismailis (Assassins).
Islamic Scholars & Culture
Avicenna – A Persian philosopher and physician.
Ibn Battuta – A great Muslim traveler and scholar.
Maimonides – A Jewish philosopher in Muslim Spain.
Omar Khayyam – A Persian poet and mathematician.
Arabian Nights – A famous collection of Middle Eastern tales.
Sadi – A Persian poet.
Rumi – A Sufi poet and mystic.
Sufism – Islamic mysticism emphasizing direct experience of God.
The Crusades
Alexius Comnenus – The Byzantine emperor who sought Western help against the Turks.
Pope Urban II – The pope who launched the First Crusade.
Clermont – The council where Urban II called for the Crusades.
Peter the Hermit – A leader of the Peasants’ Crusade.
Crusader States – The Christian-ruled territories in the Holy Land.
Saladin – The Muslim leader who recaptured Jerusalem.
Richard the Lionhearted – The English king who led the Third Crusade.
Fourth Crusade – A Crusade that sacked Constantinople instead of fighting Muslims.
Inquisitors – Church officials who investigated heresy.
Knights Templar – A military-religious order protecting pilgrimshistory flash card