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| 1831 |
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| The first modern population census in the empire. It was completed in 1838, and counted the adult male population in most parts of the empire (total 3.6 million). | 1 |
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| July |
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| Law establishing an Ottoman reserve army (redif). Units composed of men between 23 and 32 years of age were set up in the provinces, providing the empire for the first time with a reserve force of at least partly trained men. | 2 |
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| Nov. 1 |
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| Beginning of the first Ottoman-language newspaper, the Tak-vim-i Vekayi, issued by the government on a weekly basis to provide copies of laws as well as news of events. It continued until 1923, with a total of 4,891 issues printed. | 3 |
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