The National Day of Engineers

The National Day of Nasir al-Din al-Tusi.

On the Iranian calendar, 24 February was named National Engineers' Day on the occasion of the anniversary of the great Iranian mathematician Nasir al-Din al-Tusi.

Nasir al-Din al-Tusi was born in the ancient city of Ṭūs, in the northeastern Iranian regions of the Razavi Khorasan.

Nasir al-Din al-Tusi (1201-1274)

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