December 20 in History

20 December in History – 1955 years ago

Year of Four Emperors

Northern Africa 69: Year of Four Emperors

Galba was Roman Emperor for just half a year before he was overthrown by Otho in early 69... SEE MORE…

❮ 19 December 20 December 21 December ❯

All Maps on this day

Historical Atlas of North America 1860: Secession of South Carolina
North America 1860
Secession of South Carolina
By 1860, the rift between the slave states of the southern United States and the free states of...
Historical Atlas of Western Mediterranean 1808: Second Siege of Zaragoza
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Western Mediterranean 1808
Second Siege of Zaragoza
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Historical Atlas of Northern Africa 69: Year of Four Emperors
Northern Africa 69
Year of Four Emperors
Galba was Roman Emperor for just half a year before he was overthrown by Otho in early 69 AD—the...
 

Starting on 20 December 2021

Major volcanic eruption in Tonga

All Events on 20 December

starts   2021
Major volcanic eruption in Tonga
  1999
Macau returned to China
ends   1983
PLO withdraws from Lebanon
ends   1915
Australian and NZ Army Corps fight in Gallipoli Campaign
starts   1914
Unsuccessful French offensive in Champagne
ends   1907
US backs peace conference to reduce conflict in Central America
  1860
South Carolina secedes from US
starts   1855
Third Seminole War
ends   1848
Louis-Napoléon elected as French President
ends   1836
Carlist raiders march across Spain & back again
  1830
Great Powers approve of Belgian independence
starts   1808
French capture Zaragoza by siege
ends   376
Gothic auxiliaries revolt in Adrianople*
starts   272
Palmyra revolts again; quickly suppressed*
*Actual date uncertain; set to 20 December for purposes of Omniatlas

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