Year

1497

4 sourced events from this year.

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1497

Science 15th Century Europe

Copernicus Records First Known Astronomical Observation

In the late 15th century, Nicolaus Copernicus, a Polish scholar studying in Italy, pursued interests in astronomy alongside his ecclesiastical education. While in Bologna, he collaborated with the astronomer Domenico Maria Novara da Ferrara. On the evening of March 9, 1497, the pair observed the Moon occulting the bright star Aldebaran in the constellation Taurus. This event provided data on lunar motion that later informed Copernicus's calculations. He recorded the precise timing and details of the occultation, marking his earliest documented astronomical work. The observation helped verify and refine existing tables while sowing seeds of doubt about Ptolemaic cosmology.

Event Detail Daily Earth View

1497

Exploration 15th Century North America

John Cabot Lands in North America

In the wake of Christopher Columbus's voyages, European monarchs raced to find western routes to Asia. Italian navigator Giovanni Caboto, sailing as John Cabot under English sponsorship from King Henry VII, departed Bristol aboard the small ship Matthew in May 1497. After weeks at sea, Cabot and his crew sighted land on June 24, 1497, likely at Newfoundland or nearby. Believing he had reached Asia, Cabot planted the English flag and claimed the territory. He returned to England in August with news of abundant fish stocks and potential riches. The expedition marked the first documented European landfall in North America since the Norse voyages centuries earlier.

Event Detail Peopling Earth

1497

Exploration 15th Century Global

Vasco da Gama Begins Voyage to India

In the closing years of the 15th century, Portuguese leaders sought a reliable sea route to the spice markets of Asia that would avoid the costly and dangerous overland paths controlled by Ottoman and other intermediaries. King Manuel I selected the experienced navigator Vasco da Gama to command a small fleet of four vessels carrying roughly 170 men. On July 8, 1497, the expedition departed Lisbon and followed a daring course across the South Atlantic to round the Cape of Good Hope. After months of hardship, the ships reached the Indian coast in 1498, establishing the first direct European maritime connection with Asia. The voyage returned with valuable cargo and detailed navigational knowledge that reshaped European understanding of global geography.

Event Detail

1497

Exploration 15th Century Europe

Vasco da Gama Rounds Cape of Good Hope

In the late 15th century, Portugal sought a direct sea route to India to bypass Ottoman-controlled land paths and secure access to valuable spices and goods. King Manuel I commissioned Vasco da Gama to lead an expedition with four ships that departed Lisbon in July 1497. After months of navigating the Atlantic and battling storms and currents off southern Africa, da Gama's fleet successfully rounded the Cape of Good Hope on November 22. This achievement allowed the ships to enter the Indian Ocean for the first time from Europe. The crew then continued eastward, reaching India in 1498 and establishing direct maritime contact. The voyage returned to Portugal in 1499 with spices that yielded enormous profits.

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