1579
Union of Utrecht
Treaty · Europe
On this day
23 January
238 events in the atlas are dated to 23 January, from 635 CE to 2026. The best known come first; below them is every one, age by age, the most significant first.
- 238 events
- 635 – 2026 CE
The best known
From every age and part of the world1804
Slaughter of the Knezes
Attack · Middle East
1942
New Guinea campaign
War · Southeast Asia · 1942 – 1945
1963
Guinea-Bissau War of Independence
War · Sub-Saharan Africa · 1963 – 1974
2020
COVID-19 lockdown in China
Event · East Asia
2024
2024 Democratic Party presidential primaries
Election · North America
The Middle Ages
501 – 1500 CE · 4 eventsEarly modern times
1501 – 1800 · 17 events- 1579Union of UtrechtTreaty · Europe
- 1793Second Partition of PolandEvent · Europe
- 15561556 Shaanxi earthquakeNatural disaster · East Asia
- 1795Capture of the Dutch fleet at Den HelderBattle · Europe
- 1789Founding of Georgetown UniversityFounding · North America
- 1631treaty of BärwaldeTreaty · Europe
- 1579Eighty Years' War, 1579–1588War · 1579 – 1588
- 1666Founding of Kingdom of MewarFounding · South Asia
- 1573Battle of LodeBattle · Europe
- 1641Battle of MartorellBattle · Europe
The 19th century
1801 – 1900 · 26 events- 1900Battle of Spion KopBattle · Sub-Saharan Africa
- 1804Slaughter of the KnezesAttack · Middle East
- 1870Marias MassacreBattle · North America
- 1899Anglo-Kuwaiti Agreement of 1899Treaty
- 18551855 Wairarapa earthquakeNatural disaster · Oceania
- 1840Founding of La GrangeFounding · North America
- 1870Founding of SheridanFounding · North America
- 1899Founding of First Philippine RepublicFounding · Southeast Asia
- 1860solar eclipse of January 23, 1860Event
- 1895Colombian Civil War of 1895War · South America
The 20th century
1901 – 2000 · 91 events- 1942New Guinea campaignWar · Southeast Asia · 1942 – 1945
- 1963Guinea-Bissau War of IndependenceWar · Sub-Saharan Africa · 1963 – 1974
- 1942Battle of RabaulBattle · Oceania
- 1945Siege of BreslauSiege · Europe
- 19131913 Ottoman coup d'étatPolitical · Middle East
- 1919Polish–Czechoslovak WarWar · Europe
- 1942Battle of BalikpapanBattle · Southeast Asia
- 1968Pueblo incidentEvent · East Asia
- 1941Bucharest pogromAttack · Europe
- 1912International Opium ConventionTreaty · Europe
The 21st century
since 2001 · 100 events- 2020COVID-19 pandemic in SingaporeEpidemic · Southeast Asia
- 2020COVID-19 pandemic in VietnamEpidemic · Southeast Asia
- 20242024 Democratic Party presidential primariesElection · North America
- 20212021 Russian protestsProtest · Europe
- 2020COVID-19 lockdown in ChinaEvent · East Asia
- 2022January 2022 Burkina Faso coup d'étatPolitical · Sub-Saharan Africa
- 2001Tiananmen Square self-immolation incidentNatural disaster · East Asia
- 2020COVID-19 pandemic in NepalEpidemic · South Asia
- 2020COVID-19 pandemic in Hong KongEpidemic · East Asia
- 20112011 Portuguese presidential electionElection · Europe
About the dates
Each event is listed under the date its sources give, as its page shows it. Before 1582, and in some countries later (Britain until 1752, Russia until 1918), that is a date of the Julian calendar, as on Wikipedia’s pages for each day.