Directory

1497 CE

A year defined by John Cabot's voyage to North America, Vasco da Gama's departure for India, the Bonfire of the Vanities in Florence, and continued upheaval across the Italian peninsula.

Geopolitics & Diplomacy

  • John Cabot sailed from Bristol in May and reached the coast of North America in June, claiming land for Henry VII of England.
  • Vasco da Gama departed Lisbon in July with a fleet of four ships, beginning the voyage that would open a direct sea route to India.
  • King Manuel I of Portugal invested heavily in da Gama's expedition, seeking to break the Venetian-Arab monopoly on the spice trade.
  • Maximilian I, Holy Roman Emperor, convened the Diet of Worms, which instituted imperial reforms including the Common Penny tax and a public peace.
  • Henry VII of England celebrated Cabot's return, granting the explorer a pension and preparing for a larger follow-up expedition.
  • The Kingdom of Poland under Jan I Olbracht pursued an unsuccessful campaign against the Ottoman vassal state of Moldavia.

Conflict & Security

  • Spanish forces under Gonzalo de Cordoba completed the reconquest of the Kingdom of Naples, establishing firm Spanish control over southern Italy.
  • Ottoman forces defeated the Polish army at the Battle of the Cosmin Forest in October, halting Polish expansion toward the Black Sea.
  • Savonarola's increasingly authoritarian rule in Florence provoked opposition from both the papacy and Florentine elites who resented his moral dictatorship.

Economy & Finance

  • Vasco da Gama's expedition represented a massive Portuguese investment aimed at establishing direct access to the lucrative Asian spice trade.
  • Cabot's discovery raised English hopes of finding a northern passage to Asia and accessing the wealth of the Indies.

Technology & Infrastructure

  • Da Gama's fleet carried the latest Portuguese navigational instruments, including astrolabes, quadrants, and detailed charts of the African coastline.
  • Cabot's small vessel, the Matthew, demonstrated that even modest ships could make successful transatlantic crossings with skilled navigation.
  • The printing industry expanded further, with Aldus Manutius in Venice pioneering the use of italic typefaces and smaller, more portable book formats.

Science & Discovery

  • John Cabot reached the coast of North America, likely Newfoundland or Nova Scotia, making the first known English-sponsored landfall in the New World.
  • Vasco da Gama's fleet rounded the Cape of Good Hope in November, entering the Indian Ocean and sailing northward along the East African coast.
  • Cabot reported abundant cod fisheries off the coast of Newfoundland, attracting interest from English and other European fishing fleets.

Health & Medicine

  • The syphilis epidemic continued its spread across Europe, devastating populations and defying attempts at effective treatment.
  • Vasco da Gama's crew suffered from scurvy during their long voyage around Africa, with the disease claiming lives before reaching East African ports.

Climate & Environment

  • Atmospheric carbon dioxide concentration was approximately 273 parts per million, as later confirmed by ice core analysis.
  • The Grand Banks fisheries off Newfoundland, noted by Cabot's expedition, contained some of the richest cod stocks in the Atlantic.

Culture & Society

  • Savonarola organized the Bonfire of the Vanities in Florence on February 7, with followers burning luxury goods, artworks, books, and cosmetics in a massive public spectacle.
  • Leonardo da Vinci completed work on The Last Supper, a monumental fresco in the refectory of Santa Maria delle Grazie in Milan.
  • The estimated global population was approximately 475 million, with the largest concentrations in China, the Indian subcontinent, and Europe.