Important Days & Dates Mixed Quiz: Set 9

World AIDS Day has been observed on the first of December since 1988 and was the first global health day of its kind, its symbol being the red ribbon; the theme changes every year and the day is used to press for testing, treatment and an end to stigma.

World Environment Day marks the opening of the United Nations Conference on the Human Environment held at Stockholm in 1972, and it has been observed since 1974 under the lead of the United Nations Environment Programme, with a fresh theme and a host country each year.

Sir Mokshagundam Visvesvaraya was born on 15 September 1861 in Mysore state, and he is remembered for the Krishna Raja Sagara dam, the block system of irrigation gates and his years as Diwan of Mysore.

Swami Vivekananda was born on 12 January 1863 at Kolkata, and the Government of India declared his birthday National Youth Day in 1984, first observed in 1985, because his writings and his address at the Parliament of Religions at Chicago in 1893 are held up as a model for young…

India proposed the day at the United Nations General Assembly, which adopted the resolution in December 2014, and the first observance was held in 2015; the date was chosen because 21 June is the summer solstice, the longest day of the year in the northern hemisphere.

The General Assembly established the day after the Stockholm Conference on the Human Environment of 1972, and it has been observed since 1974 under the lead of the UN Environment Programme, with a different country hosting the main event each year.

On 28 February 1928 the physicist C V Raman announced his discovery that light changes its wavelength when it is scattered by molecules, an effect that carries his name, and for which he received the Nobel Prize in Physics in 1930, the first Nobel Prize in science won by an…

Sir C. V. Raman announced his discovery of the scattering of light, now called the Raman effect, on 28 February 1928, and it won him the Nobel Prize in Physics in 1930, the first for an Indian in the sciences.

World Water Day was recommended by the Earth Summit held at Rio de Janeiro in 1992 and has been observed since 1993 to draw attention to fresh water, its scarcity and the target of water and sanitation for all.

On the night of 4 December 1971 Indian missile boats attacked Karachi harbour, sank Pakistani vessels and set the fuel installations ashore on fire, without losing a ship.

The mathematician Srinivasa Ramanujan was born on 22 December 1887 at Erode in Tamil Nadu and grew up in Kumbakonam, and although he had almost no formal training in the subject, his results on infinite series, partitions and continued fractions astonished mathematicians in England.

The Vikram lander of Chandrayaan 3 touched down near the south pole of the Moon on 23 August 2023, making India the first country to land in that region, and the date was declared National Space Day in memory of the achievement.

The World Health Organization began this observance in 1988 to draw attention to the health harm caused by tobacco in every form and to the industry's marketing, and each year it carries a theme, often aimed at young people.

The day is observed across the country with two minutes of silence, and it is the best known of the several dates called Martyrs' Day in India.

Major Dhyan Chand, the hockey player born on 29 August 1905, won Olympic gold with India in 1928, 1932 and 1936 and was so skilful with the ball that he was called the Wizard.

The day was proposed by the International Council on Monuments and Sites and later approved by UNESCO, and it is used to draw attention to the protection of monuments, historic places and cultural landscapes.

Florence Nightingale was born on 12 May 1820 and became famous for organising nursing care for wounded soldiers in the Crimean War, where her rounds at night earned her the name the Lady with the Lamp; she later founded the first professional school of nursing, and the highest international honour…

Dr B C Roy was a physician who became Chief Minister of West Bengal and was awarded the Bharat Ratna in 1961.

The day falls on the birth anniversary of Karl Landsteiner, born on 14 June 1868, who classified human blood into the groups A, B and O and thus made safe transfusion possible; he received the Nobel Prize in Physiology or Medicine for this work.

Sardar Vallabhbhai Patel, born on 31 October 1875 at Nadiad in Gujarat, was independent India's first Deputy Prime Minister and Home Minister and is remembered as the Iron Man of India for merging more than five hundred princely states into the Union.