. . . it was only in India that zero developed into a number in its own right, when Brahmagupta, an Indian astronomer, wrote a text called Brahmasphutasiddhanta in the sixth century, which is the first document to discuss zero as a number. ... See MoreSee Less
Researchers from the University of Oxford conducted the first ever radiocarbon dating on the Bakhshali manuscript and revealed that it dates from as early as the 3rd century.