In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Captain George Vancouver ( 22 June 1757 – 10 May 1798 ) was a British officer of the Royal Navy best known for his 1791 – 95 expedition , which explored and charted North America 's northwestern Pacific Coast regions , including the coasts of what are now the American states of Alaska , Washington , and Oregon , as well as the province of British Columbia in Canada .
Captain George Vancouver ( 22 June 1757 – 10 May 1798 ) was a British officer of the Royal Navy , best known for his 1791 – 95 expedition which explored and mapped the northwest of North America , including the coasts of what are now Alaska , British Columbia , Washington , and Oregon .