Christianity was the most persecuted religion in the Roman Empire because it was seen as a threat to the traditional Roman values and beliefs.

The Spanish Inquisition was a tribunal established in Spain in 1478 to maintain Catholic orthodoxy in the country.

North Korea is the country with the highest rate of religious persecution, according to the United States Commission on International Religious Freedom.

Indonesia is the largest Muslim-majority country in the world, with a population of over 200 million Muslims.

The United States is the largest Christian-majority country in the world, with a population of over 200 million Christians.

Israel is the largest Jewish-majority country in the world, with a population of over 6 million Jews.

India is the largest Hindu-majority country in the world, with a population of over 1 billion Hindus.

China is the largest Buddhist-majority country in the world, with a population of over 200 million Buddhists.

India is the largest Sikh-majority country in the world, with a population of over 20 million Sikhs.

India is the largest Jain-majority country in the world, with a population of over 4 million Jains.

Iran is the largest Baha'i-majority country in the world, with a population of over 3 million Baha'is.

Japan is the largest Shinto-majority country in the world, with a population of over 100 million Shintoists.

India is the largest Zoroastrian-majority country in the world, with a population of over 60,000 Zoroastrians.

Israel is the largest Jewish-majority country in the world, with a population of over 6 million Jews.

Indonesia is the largest Muslim-majority country in the world, with a population of over 200 million Muslims.