Important Days & Dates Mixed Quiz: Set 4

Prasanta Chandra Mahalanobis founded the Indian Statistical Institute, gave statistics the measure known as the Mahalanobis distance and shaped the model used in the Second Five Year Plan, and the Government of India keeps his birthday as Statistics Day.

Mahatma Gandhi was born on 2 October 1869 at Porbandar in Gujarat, so his 150th birth anniversary fell on 2 October 2019.

The first of July is observed as Chartered Accountants Day because the Institute of Chartered Accountants of India was established on 1 July 1949 by an Act of Parliament.

National Unity Day, or Rashtriya Ekta Diwas, is observed on 31 October, the birth anniversary of Sardar Patel, who was born in 1875 at Nadiad, Gujarat.

He was a philosopher and a teacher who became the first Vice President and the second President of India, and when his students wished to celebrate his birthday he asked that the day be kept for teachers instead.

On 11 May 1998 India carried out nuclear tests at Pokhran in Rajasthan, and the same day brought the first test flight of the indigenous Hansa aircraft and a successful test of the Trishul missile.

India's first Prime Minister was born on 14 November 1889, and because of his known fondness for children, who called him Chacha Nehru, his birthday was adopted as Children's Day after his death in 1964.

Kargil Vijay Diwas is observed on 26 July because the Indian armed forces completed the recapture of the heights in the Kargil sector under Operation Vijay on that date in 1999.

The day draws attention to the part the oceans play in the climate, in the oxygen we breathe and in the livelihoods of coastal communities, and it sits three days after World Environment Day.

The day was declared by UNESCO to promote linguistic and cultural diversity and to protect languages that are dying out, and the date recalls the language movement in Dhaka in 1952, in which students were killed while demanding recognition for Bengali.

Partition Horrors Remembrance Day is observed on 14 August, the day before Independence Day, in memory of the millions who were displaced and of those who lost their lives during the partition of 1947.

The United Nations chose this date because the international convention on trade in endangered species of wild fauna and flora was signed on 3 March, and the day is used to draw attention to wild animals and plants and to the trade that threatens them.

On 14 September 1949 the Constituent Assembly decided that Hindi written in the Devanagari script would be an official language of the Union, a decision that later became Article 343 of the Constitution, and that date is kept every year as Hindi Diwas.

He shared the first Nobel Peace Prize, and the movement observes his birthday as its day.

The date is the birth anniversary of Maulana Abul Kalam Azad, born in 1888, who was independent India's first Minister of Education and the moving spirit behind the founding of the University Grants Commission and the Indian Institutes of Technology.

National Handloom Day falls on 7 August because the Swadeshi Movement was formally launched on that date in 1905 at a meeting in Calcutta, in response to the partition of Bengal.

The day was declared soon afterwards, and on it offices and institutions take a pledge against violence and terrorism in all its forms.

He was the engineer behind the Krishna Raja Sagara dam and the flood protection works of Hyderabad, served as Diwan of Mysore and was given the Bharat Ratna in 1955.

The Constituent Assembly adopted, enacted and gave to itself the Constitution on 26 November 1949, and the Government of India has observed the date as Constitution Day, or Samvidhan Divas, since 2015.

The day, formally the International Day for the Preservation of the Ozone Layer, marks the signing of the Montreal Protocol on 16 September 1987, the agreement under which countries agreed to stop using chlorofluorocarbons and other substances that thin the ozone layer.