🔥 Protestant Reformation (1517–1600s)
Martin Luther challenged Catholic doctrine.
Led to centuries of conflict (e.g., Thirty Years' War, 1618–1648 in Europe).
⚔️ Islamic Conquests (7th–11th Century)
Spread of Islam through Arabian Peninsula, North Africa, Spain, and Asia.
Often involved military expansion and conversion campaigns.
🇮🇳 Hindu-Muslim Conflicts (1000s–Present)
Delhi Sultanate & Mughal Empire saw religious tensions.
Continued post-partition in India–Pakistan conflicts (1947–present).
🕍 Holocaust (1933–1945)
Systematic extermination of 6 million Jews by Nazi Germany.
One of the darkest religious persecutions in modern history.
🔥 Modern Religious Conflicts
Israel–Palestine Conflict – Jews vs. Muslims (1948–present)
Sunni vs. Shia Islam – e.g., Iraq, Syria, Yemen, Saudi-Iran tensions.
India – Periodic Hindu-Muslim, Hindu-Christian violence.
Myanmar – Persecution of Rohingya Muslims by Buddhist majority.
Nigeria – Boko Haram (Islamist extremists) vs. Christians.
📚 IV. Other Key Developments
🌍 Religious Influence on Civilizations
Laws (e.g., Sharia, Canon law)
Calendars (Gregorian, Hijri, Hindu)
Festivals (Christmas, Eid, Diwali, Hanukkah, Vesak)
🌐 Religious Freedom & Secularism
Enlightenment (~1700s) → rise of science, reason, secular thought.
U.S. Constitution (1791): Freedom of religion enshrined.
Many modern nations separate religion from state (e.g., France, India, USA).
🚫 Anti-Religious Movements
Atheism rose with Enlightenment, science, Marxism.
State atheism in USSR, China (Mao era), Albania.
Religion suppressed, temples/churches closed, clergy persecuted.
🌎 V. Religious Demographics Today (2024)
Religion Approx. Followers Percentage of World Pop.
Christianity 2.4 billion ~31%
Islam 1.9 billion ~25%
Secular/Atheist 1.2 billion ~15%
Hinduism 1.2 billion ~15%
Buddhism 500 million ~6%
Folk Religions 400 million ~5%
Judaism 15 million ~0.2%
Sikhism 30 million ~0.4%