Capital Letter Pi 0401 U+03A1 Ρ 929 Greek Capital Letter Rho 0402 U+03A3 Σ 931 Greek Capital Letter Sigma 0403 U+03A4 Τ 932 Greek Capital Letter Tau 0404...

(link) Concise Encyclopedia of Languages of the World. Elsevier. 2010. p. 931. ISBN 978-0-08-087775-4. Encyclopedia of Language and Linguistics. Elsevier...

abrogate the Islamic law (the Sharia) and bring forth a new message. In 931, the then Qarmati leader Abu Tahir al-Jannabi declared a Persian prisoner...

this era, physician licensure became mandatory in the Abbasid Caliphate. In 931 AD, Caliph Al-Muqtadir learned of the death of one of his subjects as a result...