May 21 in History
21 May in History – 1757 years ago
		
	Europe 268: Battle of Nessos *
Gallienus responded to the Gothic–Herulian invasion of Greece by leading a Roman army into... SEE MORE…
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Ending on 21 May 86
All Events on 21 May
				ends   
				
				2008
				
				
			
			
				Clashes between Lebanese government and Hezbollah
			
		
	
	
		
			
				starts   
				
				1989
				
			
			
				Crackdown in Tiananmen Square
			
		
	
	
		
			
				starts   
				
				1982
				
			
			
				British retake Falkland Islands from Argentina
			
		
	
	
		
			
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				1948
				
				
			
			
				Syria attacks Israel, but soon stalemates
			
		
	
	
		
			
				ends   
				
				1916
				
				
			
			
				Russians advance through Kermanshah
			
		
	
	
		
			
				   
				
				1916
				
			
			
				German mission leaves Kabul
			
		
	
	
		
			
				   
				
				1911
				
			
			
				French enter Fez, prompting German warning
			
		
	
	
	
	
		
			
				starts   
				
				1900
				
			
			
				Russian forces conquer Manchuria
			
		
	
	
		
			
				   
				
				1877
				
			
			
				Romania declares independence
			
		
	
	
		
			
				ends   
				
				1860
				
				
			
			
				British purchase most of South Island from Māori
			
		
	
	
		
			
				ends   
				
				1849
				
				
			
			
				Hungarians recapture Buda Castle
			
		
	
	
	
		
			
				   
				
				1849
				
			
			
				Russian agrees to support Austria in Hungary
			
		
	
	
	
		
			
				ends   
				
				1849
				
				
			
			
				Hungarians expel Austrians from most of Hungary
			
		
	
	
		
			
				ends   
				
				1847
				
				
			
			
				US march from El Paso to Saltillo
			
		
	
	
		
			
				   
				
				1840
				
			
			
				British sovereignty proclaimed over all New Zealand
			
		
	
	
		
			
				   
				
				1815
				
			
			
				Prussia annexes half of Saxony
			
		
	
	
	
		
			
				ends   
				
				1813
				
				
			
			
				Napoleon scores Pyrrhic victory over Allies at Bautzen
			
		
	
	
	
	
		
			
				starts   
				
				1809
				
			
			
				Austrians defeat Napoleon at Aspern-Essling
			
		
	
	
	
		
			
				starts   
				
				1497
				
			
			
				John Cabot explores coast of Newfoundland*
			
		
	
	
		
			
				starts   
				
				366
				
			
			
				Romans drive Alemanni from Gaul*
			
		
	
	
		
			
				ends   
				
				363
				
				
			
			
				Romans besiege and sack Maogamalcha*
			
		
	
	
		
			
				starts   
				
				346
				
			
			
				Unsuccessful Persian siege of Nisibis*
			
		
	
	
		
			
				ends   
				
				300
				
				
			
			
				Himyar conquers Hadramawt*
			
		
	
	
		
			
				ends   
				
				276
				
				
			
			
				Romans defeat Heruli raid into Asia Minor*
			
		
	
	
	
		
			
				   
				
				268
				
			
			
				Romans defeat Goths at Nessos*
			
		
	
	
	
		
			
				ends   
				
				86
				
				
			
			
				Roman expedition under Flaccus allegedly crosses Sahara*
			
		
	
*Actual date uncertain; set to 21 May for purposes of Omniatlas
							
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