Original: The Bakhshali Manuscript is an Ancient Indian mathematical manuscript written on birch bark which was found near the village of Bakhshali in 1881 in what was then the North-West Frontier Province of British India (in Pakistan since the Partition of India in 1947 CE).
Simplified: It was found in 1881 near the village of Bakhshali in what was then the North-West Frontier Province of British India (now Pakistan).