Sæculum
Timeline charts · 151 events · 1900–1998

The 20th Century — 1900 to 1999

A single continuous chronology of the 20th century, decade by decade, laid out for paper with the dates, regions and themes in fixed columns.

The 20th Century — 1900 to 1999

151 events · 1900–1998 · Saeculum · sample of the first 8 rows

The 20th Century — 1900 to 1999. A single continuous chronology of the 20th century, decade by decade, laid out for paper with the dates, regions and themes in fixed columns.
DateEventRegionTheme
1900s
1900Freud publishes Interpretation of DreamsEuropeScience
1900Planck proposes the quantumEuropeScience
12 Dec 1901Marconi sends signal across AtlanticNorth AmericaTechnology
17 Dec 1903Wright brothers fly at Kitty HawkNorth AmericaTechnology
8 Feb 1904Japan attacks Russian fleet at Port ArthurEast AsiaWar
1905Einstein's miracle yearEuropeScience
22 Jan 1905Bloody Sunday at the Winter PalaceEuropePolitics
27 May 1905Togo annihilates Russians at TsushimaEast AsiaWar

Covers 1900–1999. Shows the 151 events scored 8 or higher for significance out of the 4992-event Saeculum corpus. Everything below that line — and every event on this sheet — is free to read in full on its own year and event page.

Every event on this chart is also free on its own page — browse all 1,027 years. Premium pays for the sheet, not the history.