May 12 in History
12 May in History – 215 years ago
![Second Battle of Porto](https://omniatlas-1598b.kxcdn.com/media/img/articles/main/western-mediterranean/western-mediterranean18090512.png)
Western Mediterranean 1809: Second Battle of Porto
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All Maps on this day
Starting on 12 May 429
All Events on 12 May
starts
2016
Daesh defeated in Libya
ends
1961
Moderate African nations form Monrovia Group
ends
1949
Soviet Union stop land and water communications between Berlin and the West
1949
Soviet Union lifts Berlin blockade
starts
1949
Chinese Communists capture Shanghai
1938
Japanese occupy Amoy (Xiamen), China
1936
Japanese back creation of Mongolian Military Government in Inner Mongolia
1911
US advisors arrive in Tehran
1903
French establish protectorate over Mauritania
starts
1892
Peary crosses northern Greenland
ends
1881
French conquest of Tunisia
starts
1864
Ceasefire in Second Schleswig War during peace talks in London
1862
British Honduras formed
ends
1854
Pro-Greek revolt in Epirus
starts
1848
Ross expedition searches for Franklin
ends
1821
Holy Alliance agrees to Austrian intervention in Two Sicilies
1809
Allies rout French at Porto
starts
1502
Columbus explores Central American coast
starts
429
Vandals cross from Spain to Africa*
366
Procopius’ army defects to Valens at Thyatira*
297
Persians defeat Galerius at Carrhae*
ends
235
Attempts to depose Maximinus Thrax foiled*
*Actual date uncertain; set to 12 May for purposes of Omniatlas
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