The most difficult nick­names riddles

Even though king's nickname may suggest the era when Portuguese colonies were established, Sancho I actually ruled Portugal long before that - from 1185 to 1211. He populated remote areas of northern Portugal, notably with Flemish and Burgundian settlers - hence the nickname.

During his youth, it was not expected that William, being the third son, would become a king. He served in the Royal Navy in the Caribbean. He inherited the throne at the age of 64, after his two elder brothers died without leaving legitimate successors

Prince Henry the Navigator was fascinated with Africa, which his fleet explored; most intrigued by the Christian legend of Prester John, whose lost kingdom he hoped to find. Under his direction, a new ship was developed, the caravel, which could sail further and faster than the contemporary ships of the Mediterranean.

At the start of the second millennium, Basil attacked Bulgarians in order to restore territories the Empire had lost long before. He was said to have captured 15,000 prisoners and blinded 99 of every 100 men, leaving one one-eyed man in each cohort to lead the rest back home. Samuel, the ruler of Bulgaria was so shocked seeing his blinded army, that he died two days later.

Jean-Baptiste Poquelin, known by his stage name Molière, was a French playwright, actor and poet, widely regarded as one of the greatest writers in the French language and universal literature. His extant works includes comedies, farces, tragicomedies, comédie-ballets, and more.

Mary restored Roman Catholicism after the short-lived Protestant reign of her half-brother Edward VI. Her sobriquet "Bloody Mary" was given by Protestant opponents, as she had over 280 religious dissenters burned at the stake during the persecutions. Her re-establishment of Roman Catholicism was reversed after her death by Elizabeth I