The University of Oxford is widely recognized as the oldest university in the English-speaking world and the oldest in Britain. While its exact founding date is unknown, there is evidence of teaching occurring at the site as early as the 11th century, with significant growth in the 12th century following the expulsion of English students from the University of Paris.

The Hundred Years' War was a series of conflicts between the House of Plantagenet of England and the House of Valois of France. It was fought primarily over the right to rule the Kingdom of France, significantly shaping the national identities of both countries and the development of medieval military tactics.

The Magna Carta, or 'Great Charter,' was a landmark document signed by King John of England in 1215 at Runnymede. It was forced upon the King by a group of rebellious barons to limit his absolute power and protect their feudal rights. It is historically significant as it established the principle that everyone, including the monarch, is subject to the law, laying the groundwork for modern constitutional democracy.

According to the United Nations Charter, the Security Council consists of five permanent members and ten non-permanent members. These non-permanent members are elected by the General Assembly for a two-year term. This system ensures that various regions of the world have representation in the council's decision-making processes regarding international peace and security.

The United Nations General Assembly is the main deliberative, policymaking, and representative organ of the UN. It is the only body where all 193 member states have equal representation, with each nation holding one vote, regardless of its size, wealth, or military power, facilitating global dialogue on international issues.

The International Court of Justice, often referred to as the World Court, is the principal judicial organ of the United Nations. It is located in the Peace Palace in The Hague, Netherlands. It is the only one of the six principal organs of the United Nations not located in New York City.

U Thant, a diplomat from Burma (now Myanmar), served as the third Secretary-General of the United Nations from 1961 to 1971. He was the first Asian to hold this prestigious international position. While Ban Ki-moon also served as Secretary-General later, the source material specifically identifies U Thant as the primary answer in the context of the original examination period.

Matthew Arnold was a distinguished Victorian poet and cultural critic. His literary contributions, including the narrative poem 'Sohrab and Rustum' and the reflective 'The Scholar Gipsy', are celebrated for their intellectual depth and classical influence. He remains a significant figure in 19th-century English literature and educational theory.

William Shakespeare is widely regarded as the greatest playwright and poet in the English language. Born to a tradesman in Stratford-upon-Avon, his early career saw the production of historical plays such as 'Henry VI' and narrative poems like 'Venus and Adonis', which established his reputation in the Elizabethan literary scene.

The United Nations Security Council originally consisted of 11 members. To better reflect the growing membership of the UN, an amendment to the UN Charter was proposed to increase the number of non-permanent members. This amendment was ratified and entered into force in 1965, increasing the total number of members in the Security Council from 11 to 15, consisting of 5 permanent and 10 non-permanent members.