Islam (/ˈɪzlɑːm, ˈɪzlæm/ IZ-la(h)m; Arabic: ٱلْإِسْلَام, romanized: al-Islām, IPA: [alʔɪsˈlaːm], lit. 'submission [to the will of God]') is an Abrahamic...

Shia Islam (/ˈʃiːə/) is the second-largest branch of Islam. It holds that the Islamic prophet Muhammad designated Ali (656–661 CE) as his successor (khalifa)...

Islamism (also often called political Islam) is a religio-political ideology. The advocates of Islamism, also known as "al-Islamiyyun", are dedicated...

Sunni Islam (/ˈsuːni, ˈsʊni/) is the largest branch of Islam, followed by 85–90% of the world's Muslims, and simultaneously the largest religious denomination...

The Islamic State (IS), also known as the Islamic State of Iraq and the Levant (ISIL), the Islamic State of Iraq and Syria (ISIS) and by its Arabic acronym...

Arab religious, social, and political leader and the founder of Islam. According to Islamic doctrine, he was a prophet divinely inspired to preach and confirm...

Islamic calendar, is a lunar calendar consisting of 12 lunar months in a year of 354 or 355 days. It is used to determine the proper days of Islamic holidays...

Islamic terrorism (also known as Islamist terrorism or radical Islamic terrorism) refers to terrorist acts with religious motivations carried out by fundamentalist...

adhere to Islam, a monotheistic religion belonging to the Abrahamic tradition. They consider the Quran, the foundational religious text of Islam, to be the...

Islam concerns the political, social, economic, military, and cultural developments of the Islamic civilization. Most historians believe that Islam originated...