The following lists events that happened during 1873 in Qajar era.
Incumbents Monarch: Naser al-Din Shah Qajar
Births March 29 – Ali Mojuz, Iranian Azerbaijani poet. ? – Hossein Agha Malek, Iranian philanthropist. ? – Mohammad Hasan Mamaqani, leading mujtahid of Najaf in the 19th century.
Deaths April 2 – Malek Jahan Khanom, Regent of Persia, Qajar queen mother and princess.
References