Important Days & Dates Mixed Quiz: Set 24

The world governing body for chess was established on 20 July 1924 in Paris, and the anniversary is kept as International Chess Day, with the United Nations later recognising it as an international day in acknowledgement of the reach of the game and of its Indian ancestor, chaturanga.

World Theatre Day was instituted in 1961 by the International Theatre Institute, and every year a figure from world theatre delivers an international message that is read out in theatres across many countries.

He issued the bull Inter gravissimas in February 1582 and the new calendar took effect that October, correcting the drift that had built up in the older system and tightening the rule for leap years.

The golden jubilee marks fifty completed years and is called the Swarna Jayanti in Hindi, the name taken from the gift of gold traditionally made on a fiftieth wedding anniversary.

Thursday, 4 October 1582 was followed immediately by Friday, 15 October 1582, so ten dates vanished while the sequence of weekdays continued unbroken; the correction was needed because the Julian year of 365.25 days was about eleven minutes too long and had pushed the spring equinox ten days out of…

National Girl Child Day was instituted by the Ministry of Women and Child Development and is observed on 24 January to draw attention to the sex ratio, to girls' education and to schemes such as Beti Bachao Beti Padhao, which was launched at Panipat on 22 January 2015.

Under the Gregorian rule a year divisible by four is a leap year, but a century year is a leap year only if it is also divisible by 400.

The Saka reckoning is most often linked with the Kushana ruler Kanishka, and it is the era on which the Indian National Calendar is built, so the Saka year is about 78 less than the Christian year.

The Julian calendar, in use from 46 BC, assumed a year of exactly 365.25 days, which is about eleven minutes longer than the true tropical year of roughly 365.2422 days, so it gained a day about every 128 years and the equinox slid out of place.

Shakti Sthal, the place of power, is the samadhi of Indira Gandhi, who was assassinated on 31 October 1984, and Vir Bhumi, the land of the brave, is the samadhi of Rajiv Gandhi, who was assassinated on 21 May 1991, a day now observed as Anti-Terrorism Day.

A year repeats another year's calendar when the odd days between them add up to a multiple of seven and both years are of the same kind, ordinary or leap.

The United Nations General Assembly declared 5 December as the International Day of Banks in 2019, to recognise the part that banks, and especially development banks, play in financing sustainable development.

Move forward one year at a time, adding one odd day for an ordinary span and two when a 29 February falls inside it.

The Vikram lander of Chandrayaan-3 touched down on 23 August 2023, making India the fourth country to soft-land on the Moon and the first to land in the region of the south pole, and the Government named the date National Space Day.

On this date, the June solstice, the Sun's rays fall vertically on the Tropic of Cancer at 23.5 degrees north, so the Northern Hemisphere receives its longest day and shortest night while the Southern Hemisphere has its shortest day.

The Goa, Daman and Diu Reorganisation Act of 1987 raised Goa from a union territory to a full state with effect from the thirtieth of May 1987, making it the twenty-fifth state of the Union, while Daman and Diu continued as a separate union territory.

Twice a year, about 21 March and about 23 September, the Sun's vertical rays fall on the Equator, the circle of illumination passes through both poles, and day and night are of equal length over the whole Earth, which is what the Latin root of the word equinox, meaning equal…

The Calendar Reform Committee, set up under the chairmanship of the physicist Meghnad Saha, recommended a unified national calendar, and the Saka calendar was adopted with effect from 22 March 1957, which was the first day of Chaitra in the Saka year 1879.

The Gregorian cycle of 400 years contains 97 leap years, so it holds 146,097 days, and dividing that by 400 gives exactly 365.2425 days for the mean year.

The Earth's orbit is a slight ellipse, and it reaches aphelion, its greatest distance of about 152 million kilometres, in early July, while perihelion, its least distance of about 147 million kilometres, comes in early January.