Important National and International Days

World Chocolate Day is celebrated annually on July 7th. This date commemorates the introduction of chocolate to Europe in 1550. The other options (July 8-10) are incorrect dates.

International Youth Day is designated by the United Nations as August 12th. It was established in 2000 to raise awareness about youth issues and celebrate their potential as partners in global society. Options A, C, and D are incorrect dates.

World Tourism Day is celebrated annually on September 27th. It was established by the United Nations World Tourism Organization (UNWTO) in 1980 to promote global awareness of tourism's social, cultural, political, and economic value. September 27 was chosen to mark the anniversary of the adoption of UNWTO statutes in 1970.

Saint Nicholas Day is celebrated on December 6th, commemorating the death of Saint Nicholas of Myra (the historical inspiration for Santa Claus). This is the traditional feast day in many European countries.

World Literacy Day is officially celebrated on September 8th each year, as proclaimed by UNESCO in 1966. The day aims to highlight the importance of literacy to individuals, communities, and societies. The other dates are not associated with this observance.

Christmas is celebrated on December 25th annually in Christian tradition worldwide, commemorating the birth of Jesus Christ. The other dates (22nd, 23rd, 24th) are close but incorrect.

Swiss National Day is celebrated on August 1st, commemorating the founding of the Swiss Confederation in 1291 when three cantons signed the Federal Charter. This is Switzerland's only national holiday.

Emerald is traditionally recognized as the birthstone for May. December has turquoise/zircon, June has pearl, and January has garnet. Birthstone traditions date back to biblical times and the Breastplate of Aaron.

Ratan Tata was born on December 28, 1937. He is one of India's most prominent industrialists and former chairman of the Tata Group. This is factual biographical information about the famous business leader.

Isaac Newton was born on January 4, 1643 (according to the Gregorian calendar). He was the physicist who formulated the laws of motion and universal gravitation. Note the spelling 'Isaac' not 'Issac' in the question.

N. T. Rama Rao, the famous Indian actor and politician, was born on May 28, 1923. He served as the Chief Minister of Andhra Pradesh and was a legendary figure in Telugu cinema. This is factual biographical information.

A. P. J. Abdul Kalam, the former President of India and missile scientist, was born on October 15, 1931. He is known as the 'Missile Man of India' and was a beloved figure. This is factual biographical information. Note the capitalization issue in the question.

Chittirai is the first month of the Tamil calendar, typically corresponding to mid-April to mid-May. The Tamil New Year (Puthandu) is celebrated on the first day of Chittirai. Aippasi (A) is the 7th month, Thai (C) is the 10th month, and Maargazhi (D) is the 9th month.

The Tamil calendar has 12 months beginning with Chittirai. Panguni is the twelfth and final month (March-April), marking the end of the Tamil year.