timeline By Adrianawebb 1400 europeans gradually gained control of the americas 1400 technology inventions became available to European explores 1492 columbus sailed west from spain with three ships 1493 Columbus set out on another voyage to conquer the people from the new lands 1494 Spain and Portugal signed the treaty of tordesillias 1497 john cabot explored north american coasts of newfoundland and nova scotia 1500 spain continued to explore the Americas but it was still intereted in finding western route to asia 1502 another Italian explore Amerigo Vespucci became convinced that Columbus had discovered a "new world" 1507 early map makers labeled what is now the south Americas 1524 france sent giovanni da verrazano to find a northern route to asia 1534 the french navigator jacques cartier sailed inland along the st. Lawrence river 1600 these countries renewed their overseas explorations