What important geographical discoveries were made in the 18th and 19th century?

1725 year. The first Kamchatka expedition, headed by Vitus Bering. The result was the creation of accurate maps of Chukotka and the Bering Sea.
1741 year. The second expedition, led by Bering, explored the coast of Alaska and the Aleutian Islands.
1733 – 1743. Great is the Northern Expedition, which consisted of several detachments. Her task was to study the northern coast, study the rivers that flow into the Arctic Ocean, study the nature, life and life of the peoples of the North.
1768 year. James Cook proved that New Zealand is an island.

1772, 1775. James Cook crossed the border of the Antarctic Circle, discovered the Hawaiian Islands.
1819 – 1821. Round-the-world voyage of Bellinskausen and Lazarev. The result is the discovery of Antarctica on January 28, 1820.