1927, 21 June - South Africa: The Flag Dispute
Following the introduction of a bill to provide a national flag for the Union of South Africa (in 1925 by DF Malan), Afrikaner nationalists have rebelled against plans to have a Union Jack in the centre.
1942, 21 June - World War II: North Africa
Considered by Winston Churchill as "one of the heaviest blows I can recall during the war", Rommel's Panzerarmee Afrika captures Tobruk. Allied forces are overrun and 25,000 are captured.
