England
Anglo-Spanish war
The defeat of the Spanish Armada caused England to win the war against Spain.
The most significant war during Shakespeare's time was the Eighty Years' War (also known as the Dutch War of Independence) between the Dutch Republic and Spain. The war was fought for Dutch independence from Spanish rule and to establish the Protestant religion in the region.
England was at war with Spain which led to the attempt by Spain to invade England in 1588 when Will Shakespeare was 24.
England was at war with Spain which resulted in Spain's attempt to invade England, The Spanish Armada, in 1588 when Shakespeare was 24.
Germany invaded Poland and as a result France and England declared war on Germany.
Great Britain (United Kingdom, England...)
World War 2 started when Germany invaded Poland on September 1, 1939 and then England & France declared War on Germany.
Germany declared war on Poland, which led to England and France declaring war on Germany.
England - just after US declared an independence.
Austria-Hungary, declared war on Serbia