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Islamic History
The history of Islam concerns the political, social, economic, military, and cultural developments of the Islamic civilization. Most historians believe that Islam originated in Mecca and Medina at the start of the 7th century CE. Muslims regard Islam as a return to the original faith of the Abrahamic prophets, such as Adam, Noah, Abraham, Moses, David, Solomon, and Jesus, with the submission (''Islām'') to the will of God. According to the traditional account, the Islamic prophet Muhammad began receiving what Muslims consider to be divine revelations in 610 CE, calling for submission to the one God, the expectation of the imminent Last Judgement, and caring for the poor and needy. Muhammad's message won over a handful of followers (the ''ṣaḥāba'') and was met with increasing opposition from Meccan notables. In 622 CE, a few years after losing protection with the death of his influential uncle ʾAbū Ṭālib ibn ʿAbd al-Muṭṭalib, Muhammad migrated to t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blue Koran Sanaa
Blue is one of the three primary colours in the RYB color model, RYB colour model (traditional colour theory), as well as in the RGB color model, RGB (additive) colour model. It lies between Violet (color), violet and cyan on the optical spectrum, spectrum of visible light. The eye perceives blue when observing light with a dominant wavelength between approximately 450 and 495 nanometres. Most blues contain a slight mixture of other colours; Azure (color), azure contains some green, while ultramarine contains some violet. The clear daytime sky and the deep sea appear blue because of an optical effect known as Rayleigh scattering#Cause of the blue colour of the sky, Rayleigh scattering. An optical effect called Tyndall effect explains Eye color#Blue, blue eyes. Distant objects appear more blue because of another optical effect called aerial perspective. Blue has been an important colour in art and decoration since ancient times. The semi-precious stone lapis lazuli was used i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
