Timeline History

The 20th century

39,947 recorded events across 100 years of the 20th century, 1901 to 2000. 39,803 of them are dated to a specific year; the rest are recorded only as belonging to the 20th century. The largest categories are people (14,641), science & technology (6,488) and architecture & engineering (4,703).

Open the 20th century on the interactive map →

Busiest years

Every year in the 20th century

Years with no recorded events are omitted. The number is how many events are dated precisely to that year; entries known only to a century or decade are listed on the year page separately.