
Movable type in Mainz
January 1, 1440
Johannes Gutenberg begins printing with movable metal type, and the cost of a page collapses.
These minutes are held permanently by the registry. They carry a date, a source, and nothing for sale.

January 1, 1440
Johannes Gutenberg begins printing with movable metal type, and the cost of a page collapses.

October 12, 1492
A Spanish expedition under Columbus reaches an island in the Bahamas, opening four centuries of contact and conquest.

October 31, 1517
Martin Luther circulates his objections to indulgences in Wittenberg.

September 6, 1522
The Victoria reaches Sanlucar de Barrameda with eighteen survivors, the first ship to circle the world.

May 24, 1543
Copernicus receives the printed De revolutionibus on the day he dies.

July 5, 1687
Newton sets out the laws of motion and universal gravitation.

July 4, 1776
The Second Continental Congress adopts the Declaration of Independence in Philadelphia.

July 14, 1789
A Paris crowd takes the fortress, and the French Revolution has its symbol.

July 1, 1826
Nicephore Niepce fixes a view from his window at Le Gras after hours of exposure.

November 24, 1859
Darwin publishes, and the first print run sells out the same day.

January 1, 1863
Lincoln declares enslaved people in the rebelling states to be free.

November 17, 1869
Two seas are joined and the route to Asia is cut by thousands of miles.

March 10, 1876
Alexander Graham Bell speaks the first words transmitted by telephone to Thomas Watson in Boston.

October 22, 1879
Edison and his team run a carbon filament lamp long enough to make electric light practical.

March 31, 1889
Gustave Eiffel raises the French flag at the top of the tallest structure in the world.

December 28, 1895
The Lumiere brothers show paying audiences moving pictures at the Grand Cafe in Paris.

April 6, 1896
The Games open in Athens with fourteen nations.