Every year on 18 April, ICOMOS (International Council on Monuments and Sites) celebrates the International Day for Monuments and Sites (also called as World Heritage day), whose establishment was approved by the 22nd UNESCO General Conference in 1983.
National Statistics day is celebrated annually 29th June, on the occasion of Birth anniversary of India’s eminent statistician Late Prof Prasanta Chandra Mahalanobis.
It also commemorates the contributions made by PC Mahalanobis in the fields of statistics and economic planning.