In 1576 Martin Frobisher was the first English explorer to search for the North-West Passage – the seaway linking the Atlantic and Pacific Oceans.

Norwegian explorer Roald Amundsen was the first man who successfully navigated the North-West Passage by boat, on a voyage that lasted from 1903 to 1906.

In 1854 Robert McClure was credited as the first man to navigate the North-West Passage – although much of his journey was over ice, rather than water.

Samuel Hearne journeyed overland to search for the North-West Passage in 1770. He was the first man to walk from Hudson Bay to the Arctic Ocean.

For over 300 years explorers risked their lives to search the Arctic for a North-West Passage between the Atlantic and the Pacific Oceans.

Horatio Nelson was born in Burnham Thorpe, Norfolk, on 29 September 1758. He first went to sea at 12, marking the start of his heroic naval career.

Since North-West Passage exploration began over 400 years ago the polar ice caps have started to melt due to global warming.

In 1741, Anglo-Irish MP Arthur Dobbs commissioned Christopher Middleton, a captain in the Hudson’s Bay Company, to search for the North-West Passage.

In 1612, explorer Thomas Button sailed in two ships, Resolution and the Discovery, in search of the North-West Passage.

Henry Hudson was a well-known English explorer and navigator in the 17th century. He was the third explorer to search for the North-West Passage.