Zoroastrianism Becomes The Achaemenid State's De Facto Religion. Iran, 465 BCE to 358 BCE, Established. Source, Achaemenid Empire (Wikipedia).
Alexander the Great Burns Persepolis and Scatters the Avesta. Iran, 330 BCE, Suppressed. Source, Alexander the Great ii. In Zoroastrian Tradition (Encyclopaedia Iranica).
Antiochus I of Commagene Builds His Hierothesion atop Nemrud Dagi. Turkey, 62 BCE, Established. Source, Antiochus of Commagene (Encyclopaedia Iranica).
Vologases I Orders the Avesta's Scattered Texts Collected. Iran, 51, Revived. Source, Alexander the Great ii. In Zoroastrian Tradition (Encyclopaedia Iranica).
Zoroastrianism Becomes Persia's State Religion. Iran, 224 to 379, Dominant. Source, Zoroastrianism In Iran (Wikipedia).
Shapur I's Ka'ba-ye Zartosht Inscription Founds Five Sasanian Fire Temples. Iran, 262, Established. Source, Ka'ba-ye Zardosht (Encyclopaedia Iranica).
The Arab Conquest Ends Zoroastrian Rule In Persia. Iran, 633 to 651, Suppressed. Source, Zoroastrianism In Iran (Wikipedia).
Zoroastrians Migrate To Gujarat. Gujarat, 936, Arrived. Source, Parsis (Wikipedia).
Neryosang Dhaval Translates Zoroastrian Scripture into Sanskrit. Gujarat, 1100, Established. Source, Mary Boyce, Zoroastrians: Their Religious Beliefs and Practices (Routledge and Kegan Paul, 1979).
Nariman Hoshang Opens the Persian Rivayats Correspondence. Yazd, 1478, Established. Source, Parsi Communities I: Early History (Encyclopaedia Iranica).
Akbar Invites Dastur Meherji Rana to the Ibadat Khana. India, 1578, Established. Source, The Ibadat Khana (World History Encyclopedia).
Parsis Establish Bombay As Their Community's Centre. India, 1702 to 1728, Established. Source, Parsis (Wikipedia).
The 1979 Revolution Brings Persecution To Iran's Zoroastrians. Iran, 1979, Suppressed. Source, Persecution Of Zoroastrians (Wikipedia).
India Launches The Jiyo Parsi Scheme. India, 2013, Established. Source, Jiyo Parsi Scheme (Drishti IAS).
Zoroastrians Convene the 12th World Zoroastrian Congress in New York City. United States, 2022, Established. Source, 12th World Zoroastrian Congress 2022 NYC (FEZANA).
The Texas House of Representatives Recognizes Zoroastrian Day at the State Capitol. United States, 2025, Established. Source, FEZANA Announces Historic Zoroastrian Days at Texas State Capitol, Rice University (FEZANA).
FEZANA Launches the Z-BUILD Initiative at Its 39th Annual General Meeting. United States, 2026, Established. Source, 39th FEZANA Annual General Meeting and the Z-BUILD Initiative (FEZANA).