Historical Vedic religion from c. 500 BCE, declined in India over the 5th to 12th centuries in favor of Puranic Hinduism and Islam. Historical Vedic religion The historical Vedic religion (also known as Vedism, Brahmanism, Vedic Brahmanism, and ancient Hinduism) refers to the religious ideas and practices among Indo-Aryan-speaking peoples of ancient India after about 1500 BCE. These ideas and practices are found in the Vedic texts, and they were one of the major influences that shaped contemporary Hinduism. According to the "Encyclopædia Britannica", in the Hindu tradition and particularly in India, the Vedic religion is considered to be a part of Hinduism.
Decline of ancient Egyptian religion in the 1970s. Decline of ancient Egyptian religion The decline of indigenous religious practices in ancient Egypt is largely attributed to the spread of Christianity in Egypt, and its strict monotheistic nature not allowing the syncretism seen between ancient Egyptian religion and other polytheistic religions, such as that of the Romans. Although religious practices within Egypt stayed relatively constant despite contact with the greater Mediterranean world, such as with the Persians, Greeks, and Romans, Christianity directly competed with the native religion. Even before the Edict of Milan in AD 313, which legalised Christianity in the Roman Empire, Egypt became an