Islam is just such an example. Belief in the one God Allah (translated as 'the god').
Roman Catholic AnswerThe only and classic monotheistic religion is Judaism. Then the offspring of Judaism (or the completion of it, depending on your point of view) Christianity. The third, much later monotheistic religion was Islam.from Modern Catholic Dictionary by John A. Hardon, S.J. Doubleday & Co., Inc. Garden City, NY 1980
Monotheism. The belief that there is only one God, who is the Creator of the universe. It is first of all theism, because it recognizes the existence of a personal God, with mind and will, who is really distinct from the world he created. It is therefore not monism, which identifies God and the universe. Moreover it affirms that this personal and transcendent God is uniquely one and not plural, hence it is opposed to polytheism and dualism. (Etym. Greek monos, single + theos, god.)
Christianity. It is also the largers religion in general - there is currently no larger religion, monotheistic or otherwise.
judaism is a montheistic religion
The Hebrews were the ones who created or the first to create the monotheistic religion.
an independent monotheistic religion is a religion that only believes in one god. examples of monotheistic religions are: christianity, islam, Sikhism, Judaism and soo on.
Zarathushtra (Greek: Zoroaster) probably created the first monotheistic religion, around 1700 to 2000 BCE. Thislong predated the shortlived monotheistic religion of Egypt and the eventual monotheistic Judaism of Judah.
It is a polytheistic religion. If a religion believes in one God, they are monotheistic. (Christianity, Islam, Judaism are monotheistic)
Monotheistic, because the Persian religion was Zoroastrianism which is a monotheistic religion
Christianity
The Islam religion is monotheistic and the deity is Allah (God in English).
Now? Yes. It is mostly Muslim, which is a monotheistic religion.
The oldest monotheistic religion is Judaism.
The Hebrew religion was monotheistic (or at least monolatrous) while the Egyptian religion was polytheistic (with the exception of the short-lived cult of Akenaton which was monotheistic).
The jews are monotheistic, (belief in one God).