John Davis was the second explorer to look for the North-West Passage, in 1585. He also invented the Davis quadrant, enabling sailors to find their latitude.
In 1741, Anglo-Irish MP Albert Dobbs commissioned William Moor to search for the North-West Passage, in a bid to strengthen Britain’s trade routes.
After a failed attempt in 1818, John Ross returned to the Arctic to search for the North-West Passage with his nephew James Clark Ross in 1829.
Sir John Franklin made three attempts to find the North-West Passage. His final voyage in 1845 in HMS Erebus and HMS Terror ended in tragedy for him and all his men, becoming the worst disaster in the history of British polar exploration.
In 1818 John Ross was sent to search for the North-West Passage. He turned back, mistakenly believing there was no passage through Lancaster Sound.
Explorer Luke Foxe led an expedition to search for the North-West Passage in 1631. He set out at the same time as rival explorer Thomas James.
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.