The German invasion of Poland on 1 Sept 1939 generally is considered the start of World War 2.
Britain & France go to war as a result of the Invasion of Poland. This is on Sunday 3rd September 1939. The war would last very nearly 6 years.
Russia
The Iraqi invasion of Kuwait on the 2nd of August 1990 led to Operation Desert Shield.For further information please see the related link.
United Kingdom
The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.
The invasion ofBritainoccurred in 43 AD under the reign of emperor Claudius.
Poland
Britain and it's commonwealth countries (Canada, Australia, New Zealand, etc) declared war on Nazi Germany on September 1st, 1939, when they invaded Poland.
Your teacher probably wants the answer Poland, since it was the German invasion of Poland which led directly to the outbreak of WWII. In fact there had been several German annexations before this (in the 'Sudetenland', and in Austria) which had caused some local fighting. But it was invading Poland which started the big shooting-match.
The event that led to the outbreak of WW2 is understood to be the 1939 invasion od Poland by Natzi Germany. ~Nick
Russia
Germany declared war on Poland, which led to England and France declaring war on Germany.
The Iraqi invasion of Kuwait on the 2nd of August 1990 led to Operation Desert Shield.For further information please see the related link.
United Kingdom
jacob and jack led the invasion of the inca empire
The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.The invasion of 43 AD was led by the emperor Claudius. His generals were Paulinus and Vespasian.
Militarism:)
Militarism.