| Religion: | Islam |
| Birth Date: | January 19, 1861 |
| Nationality: | Iranian |
| Resting Place: | Mausoleum of Poets |
| Death Place: | Tabriz, Iran |
| Birth Place: | Tabriz, Iran |
| Thiqa tul-Islam | |
| Caption: | Jurist |
| Mirza Ali Aqa Tabrizi | |
| Honorific Prefix: | Sheikh |
| Parents: | Haj Mirza Sahfie Sadr (father) |
| Background: |
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| Madh'hab: | Twelver Shia Islam |
| Native Name: | Persian: ثقة الاسلام میرزا علی آقا تبریزی |
Mirza Ali-Aqa Tabrizi, known as Thiqat-ul-Islam Tabrizi (; January 19, 1861 - December 31, 1911) was an Iranian nationalist who lived in Tabriz, Iran, during the Iranian Constitutional Revolution and was a reformist Shia cleric. He was hanged by Russian troops with 12 other Iranians in Bagh-e Shomal at the age of 50 during Russian Invasion of Tabriz, 1911. He is buried in Mausoleum of Poets, Tabriz.
He was born in Tabriz in 1861. His father Haj Mirza Sahfie Sadr, Thiqa tul-Islam of Tabriz, was a dominant figure in the Tobacco Protest. Ali Aqa studied in Tabriz, Najaf, and Karbala. After the death of his father he was given the title of Thiqa tul-Islam by the king Mozaffar ad-Din Shah Qajar.
He was one of the influential intellectuals among the people of Tabriz. During the first democratic revolution of Asia, the Constitutional Revolution of Iran, one major concern of Akhund Khurasani and other pro-democracy Marja's was to familiarize the public with the idea of a democratic nation-state and modern constitution. The enlightened Thiqa tul-islam from Tabriz, wrote a treatise “Lalan”. In his essays, Thiqat al-Islam Tabrizi mentions his sermons that he was delivering in Tabriz to explain the core concepts of democracy, that helped the junior clerics increase their knowledge about modern statehood and plan their speeches.
Thiqat-ul-Islam showed unwavering support for modern knowledge and technology, and saw it necessary means to avoid colonial takeover of Iran. He said:
Thiqa tul-Islam saw democratic freedom and liberty as God's special gift. He said:He saw freedom of press and of personal expression as the instruments for obeying the Quranic command of enjoining the good and forbidding the evil.
When Fazlullah Nouri tried to get a veto power for his Tehran based mullah-comrades under the banner of Jurist Council, Mirza Ali Aqa opposed the idea saying that only the opinion of the sources of emulation is worthy of consideration in the matters of faith. He wrote:AndHe firmly opposed the idea of a supervisory committee of Tehran's clerics censoring the conduct of the parliament, and said that:
During the period of “Lesser Despotism”, he played a key role in bringing the people of Tabriz together in support of democracy and tried to minimize bloodshed. Akhund Khurasani wrote a personal letter of support to him, praising his efforts to preserve religious values, educating the public about core national interests, bringing the people and the leadership closer and opposing foreign exploitation.
He was the first one to use the term Ayatullah for the sources of emulation in Najaf.
After the conclusion of the Tabriz Siege by Russian forces a conflict between the Russian forces and the revolutionaries broke out on December 21, 1911. The Russians insisted that he should sign a letter confirming the responsibility of revolutionaries in starting the conflict. He refused, and Russians hanged him with twelve others on the day of Ashura, December 31, 1911. The Russians continued to kill the constitutional revolutionaries of Tabriz and their relatives en masse and many civilians of Tabriz as well. The total number of executions is estimated to have been about 1,200.[1] The original photography of his hanging is currently shown in Azerbaijan Museum.
His life was depicted in the TV-series Seghatolislam by Hojjat Ghasem-Zadeh-Asl, produced by Sahar TV (also see the French page).