'Meticulous' means showing great attention to detail, which is synonymous with 'thorough'.

'Vivid' means producing powerful feelings or strong, clear images in the mind, which is synonymous with 'bright'.

'Elated' means very happy or proud; therefore, the synonym is 'joyful'.

'Meticulous' means showing great attention to detail, making 'thorough' the correct synonym.

'Descend' means to go down, which is the opposite of 'ascend'.

'Contract' means to become smaller, which is the opposite of 'expand'.

'Rare' is the antonym of 'frequent', indicating something that does not happen often.

'Selfish' is the antonym of 'generous', indicating a lack of willingness to share.

'Failure' is the opposite of 'success', indicating a lack of achievement.

The Berlin Wall fell on November 9, 1989, marking a significant point in the Cold War.

The First Battle of Panipat was fought in 1526, marking the beginning of the Mughal Empire in India.

The partition of India occurred in 1947, leading to the creation of India and Pakistan.

The Treaty on the Non-Proliferation of Nuclear Weapons (NPT) opened for signature on July 1, 1968.

The United Kingdom voted to leave the European Union in the Brexit referendum held on June 23, 2016.

The Great Revolt of 1857, also known as the Sepoy Mutiny, began in the year 1857.

The Paris Agreement was adopted on December 12, 2015, during the 21st Conference of the Parties (COP21) in Paris.

Mahatma Gandhi is renowned for his philosophy of non-violence and played a crucial role in India's struggle for independence.

The Parliament has the power to amend the Constitution of India.

The President of India has the power to dissolve the Lok Sabha on the advice of the Prime Minister.

Raja Ram Mohan Roy is often referred to as the 'Father of Modern India' for his pioneering efforts in social reform and education.

Sardar Vallabhbhai Patel earned the title 'Iron Man of India' for his role in unifying the country post-independence.

Carl Linnaeus is known as the father of taxonomy for developing the system of naming organisms using binomial nomenclature.

B.R. Ambedkar is known as the father of the Indian Constitution for his pivotal role in drafting it.

Mahatma Gandhi is known as the Father of the Nation in India.

Antonio Guterres has been serving as the Secretary-General of the United Nations since January 1, 2017.

The Supreme Court of India is considered the guardian of the Constitution, ensuring its supremacy and interpretation.

The Speaker of the Lok Sabha presides over its sessions.

Augustus, originally known as Octavian, became the first emperor of the Roman Empire in 27 BC.

Nur Jahan was the wife of Emperor Jahangir and effectively ruled the Mughal Empire during his reign.

C. Rajagopalachari was appointed as the first and last Indian Governor-General of independent India in 1948.