and visits the source of
the Blue Nile.
1598.  Mendana discovers Marquesas Islands.
1598.  Hakluyt publishes his Principal Navigations.
1599.  Houtman reaches Achin, in Sumatra.
1603.  Stephen Bennett re-discovers Cherry Island, 74.13 deg.  N.
1605.  Louis Vaes de Torres discovers his strait.
1606.  Quiros discovers Tahiti and north-east coast of Australia.
1608.  Champlain discovers Lake Ontario.
1609.  Henry Hudson discovers his river.
1610.  Hudson passes through his strait into his bay.
1611.  Jan Mayen discovers his island.
1615.  Lemaire rounds Cape Horn (Hoorn), and sees New Britain.
1616.  Dirk Hartog coasts West Australia to 27 deg.  S.
1616.  Baffin discovers his bay.
1618.  George Thompson, a Barbary merchant, sails up the Gambia.
1619.  Edel and Houtman coast Western Australia to 32-1/2 deg.  S. 
(Edel’s Land).
1622.  Dutch ship Leeuwin reaches south-west cape of Australia.
1623.  Lobo explores Abyssinia.
1627.  Peter Nuyts discovers his archipelago.
1630.  First meridian of longitude fixed at Ferro, in the Canary
Islands.
1631.  Fox explores Hudson’s Bay.
1638.  W. J. Blaeu’s Atlas.
1639.  Kupiloff crosses Siberia to the east coast.
1642.  Abel Jansen Tasman discovers Van Diemen’s Land (Tasmania) and
Staaten Land (New Zealand).
1642.  Wasilei Pojarkof traces the course of the Amur.
1643.  Hendrik Brouwer identifies New Zealand.
1643.  Tasman discovers Fiji.
1645.  Michael Staduchin reaches the Kolima.
1645.  Nicolas Sanson’s atlas.
1645.  Italian Capuchin Mission explores the lower Congo.
1648.  The Cossack Dishinef sails between Asia and America.
1650.  Staduchin reaches the Anadir, and meets Dishinef.
1682.  La Salle descends the Mississippi.
1696.  Russians reach Kamtschatka.
1699.  Dampier discovers his strait.
1700.  Delisle’s maps.
1701.  Sinpopoff describes the land of the Tschutkis.
1718.  Jesuit map of China and East Asia published by the Emperor
Kang-hi.
1721.  Hans Egede re-settles Greenland.
1731.  Hadley invented the sextant.
1731.  Krupishef sails round Kamtschatka.
1731.  Paulutski travels round the north-east corner of Siberia.
1735-37.  Maupertuis measures an arc of the meridian.
1739-44.  Lord George Anson circumnavigates the globe.
1740.  Varenne de la Veranderye discovers the Rocky Mountains.
1741.  Behring discovers his strait.
1742.  Chelyuskin discovers his cape.
1743-44.  La Condamine explores the Amazon.
1745-61.  Bourguignon d’Anville produces his maps.
1761-67.  Carsten Niebuhr surveys Arabia.
1764.  John Byron surveys the Falkland Islands.
1765.  Harrison perfects the chronometer.
1767.  First appearance of the Nautical Almanac.
1768.  Carteret discovers Pitcairn Island, and sails through St.
George’s Channel, between New Britain and New Ireland.