Why is it considered that WW2 started on September 1, 1939 and not July 7, 1937?
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Looking at wiki dates given are 1 September 1939 – 2 September 1945, which end in the defeat of Japan.
However why starting date is when Germans invaded Poland and not when the Japanese invaded China in Sino-Japanese war on July 7, 1937, which then ends on 2 September 1945 (same) date as WW2?
Why is it considered that WW2 started on September 1, 1939 and not July 7, 1937?
world-war-two europe asia sino-japanese-war
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up vote
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Looking at wiki dates given are 1 September 1939 – 2 September 1945, which end in the defeat of Japan.
However why starting date is when Germans invaded Poland and not when the Japanese invaded China in Sino-Japanese war on July 7, 1937, which then ends on 2 September 1945 (same) date as WW2?
Why is it considered that WW2 started on September 1, 1939 and not July 7, 1937?
world-war-two europe asia sino-japanese-war
I remember seeing an American textbook in the 1970s which gave the dates of WW2 as 7 December 1941 to 2 September 1945! I guess it's also sometimes a matter of perspective.
– sempaiscuba♦
9 mins ago
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up vote
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up vote
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down vote
favorite
Looking at wiki dates given are 1 September 1939 – 2 September 1945, which end in the defeat of Japan.
However why starting date is when Germans invaded Poland and not when the Japanese invaded China in Sino-Japanese war on July 7, 1937, which then ends on 2 September 1945 (same) date as WW2?
Why is it considered that WW2 started on September 1, 1939 and not July 7, 1937?
world-war-two europe asia sino-japanese-war
Looking at wiki dates given are 1 September 1939 – 2 September 1945, which end in the defeat of Japan.
However why starting date is when Germans invaded Poland and not when the Japanese invaded China in Sino-Japanese war on July 7, 1937, which then ends on 2 September 1945 (same) date as WW2?
Why is it considered that WW2 started on September 1, 1939 and not July 7, 1937?
world-war-two europe asia sino-japanese-war
world-war-two europe asia sino-japanese-war
asked 40 mins ago


Matas Vaitkevicius
1728
1728
I remember seeing an American textbook in the 1970s which gave the dates of WW2 as 7 December 1941 to 2 September 1945! I guess it's also sometimes a matter of perspective.
– sempaiscuba♦
9 mins ago
add a comment |Â
I remember seeing an American textbook in the 1970s which gave the dates of WW2 as 7 December 1941 to 2 September 1945! I guess it's also sometimes a matter of perspective.
– sempaiscuba♦
9 mins ago
I remember seeing an American textbook in the 1970s which gave the dates of WW2 as 7 December 1941 to 2 September 1945! I guess it's also sometimes a matter of perspective.
– sempaiscuba♦
9 mins ago
I remember seeing an American textbook in the 1970s which gave the dates of WW2 as 7 December 1941 to 2 September 1945! I guess it's also sometimes a matter of perspective.
– sempaiscuba♦
9 mins ago
add a comment |Â
3 Answers
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Actually, good arguments can be put forward for both dates as the the 'start' of World War 2. In fact a number of other dates have also been suggested for the 'start' of World War 2, including:
Japan seizing Manchuria from China in 1931.
Italy’s invasion and defeat of Abyssinia (Ethiopia) in 1935- Adolf Hitler’s re-militarization of Germany’s Rhineland in 1936
- The Spanish Civil War (1936–1939)
- Germany’s occupation of Czechoslovakia in 1938
One can even argue that the Second World War was simply a continuation of the First World War that had formally ended with the Treaty of Versailles in 1919!
However, it is generally accepted that the German invasion of Poland marked the date when the war became a truly global World War. A war that would continue until the war ended with Japan’s surrender in September 1945.
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As the World War II Article says:
Japan, which aimed to dominate Asia and the Pacific, was at war with China by 1937[5][b]—though neither side had declared war on the other. World war is generally said to have begun on 1 September 1939,[6] with the invasion of Poland by Germany and subsequent declarations on Germany by France and the United Kingdom.
So, formal declarations occurred at the later date, and gathered more directly attacking sides, enough to call it a "World War", where before it was China + Soviets + USA vs. Japan.
add a comment |Â
up vote
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That's a good question. I can't get into the minds of the consensus, but chronologically the Axis powers, including Imperial Japan, weren't formed until a year later on 27 September 1940 with the Tripartite Pact. Until then, Nazi Germany and the Soviet Russia were the aggressors, while Japan was just a country outside the European political sphere having an unrelated regional war. Two nations didn't attack as an alliance until Germany and Russia invaded Poland under the Molotov–Ribbentrop Pact signed in 23 August 1939. All other related aggressive actions before then were by a single country, thus not a "World War."
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3 Answers
3
active
oldest
votes
3 Answers
3
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
2
down vote
Actually, good arguments can be put forward for both dates as the the 'start' of World War 2. In fact a number of other dates have also been suggested for the 'start' of World War 2, including:
Japan seizing Manchuria from China in 1931.
Italy’s invasion and defeat of Abyssinia (Ethiopia) in 1935- Adolf Hitler’s re-militarization of Germany’s Rhineland in 1936
- The Spanish Civil War (1936–1939)
- Germany’s occupation of Czechoslovakia in 1938
One can even argue that the Second World War was simply a continuation of the First World War that had formally ended with the Treaty of Versailles in 1919!
However, it is generally accepted that the German invasion of Poland marked the date when the war became a truly global World War. A war that would continue until the war ended with Japan’s surrender in September 1945.
add a comment |Â
up vote
2
down vote
Actually, good arguments can be put forward for both dates as the the 'start' of World War 2. In fact a number of other dates have also been suggested for the 'start' of World War 2, including:
Japan seizing Manchuria from China in 1931.
Italy’s invasion and defeat of Abyssinia (Ethiopia) in 1935- Adolf Hitler’s re-militarization of Germany’s Rhineland in 1936
- The Spanish Civil War (1936–1939)
- Germany’s occupation of Czechoslovakia in 1938
One can even argue that the Second World War was simply a continuation of the First World War that had formally ended with the Treaty of Versailles in 1919!
However, it is generally accepted that the German invasion of Poland marked the date when the war became a truly global World War. A war that would continue until the war ended with Japan’s surrender in September 1945.
add a comment |Â
up vote
2
down vote
up vote
2
down vote
Actually, good arguments can be put forward for both dates as the the 'start' of World War 2. In fact a number of other dates have also been suggested for the 'start' of World War 2, including:
Japan seizing Manchuria from China in 1931.
Italy’s invasion and defeat of Abyssinia (Ethiopia) in 1935- Adolf Hitler’s re-militarization of Germany’s Rhineland in 1936
- The Spanish Civil War (1936–1939)
- Germany’s occupation of Czechoslovakia in 1938
One can even argue that the Second World War was simply a continuation of the First World War that had formally ended with the Treaty of Versailles in 1919!
However, it is generally accepted that the German invasion of Poland marked the date when the war became a truly global World War. A war that would continue until the war ended with Japan’s surrender in September 1945.
Actually, good arguments can be put forward for both dates as the the 'start' of World War 2. In fact a number of other dates have also been suggested for the 'start' of World War 2, including:
Japan seizing Manchuria from China in 1931.
Italy’s invasion and defeat of Abyssinia (Ethiopia) in 1935- Adolf Hitler’s re-militarization of Germany’s Rhineland in 1936
- The Spanish Civil War (1936–1939)
- Germany’s occupation of Czechoslovakia in 1938
One can even argue that the Second World War was simply a continuation of the First World War that had formally ended with the Treaty of Versailles in 1919!
However, it is generally accepted that the German invasion of Poland marked the date when the war became a truly global World War. A war that would continue until the war ended with Japan’s surrender in September 1945.
edited 21 mins ago
answered 29 mins ago


sempaiscuba♦
43.5k4152194
43.5k4152194
add a comment |Â
add a comment |Â
up vote
1
down vote
As the World War II Article says:
Japan, which aimed to dominate Asia and the Pacific, was at war with China by 1937[5][b]—though neither side had declared war on the other. World war is generally said to have begun on 1 September 1939,[6] with the invasion of Poland by Germany and subsequent declarations on Germany by France and the United Kingdom.
So, formal declarations occurred at the later date, and gathered more directly attacking sides, enough to call it a "World War", where before it was China + Soviets + USA vs. Japan.
add a comment |Â
up vote
1
down vote
As the World War II Article says:
Japan, which aimed to dominate Asia and the Pacific, was at war with China by 1937[5][b]—though neither side had declared war on the other. World war is generally said to have begun on 1 September 1939,[6] with the invasion of Poland by Germany and subsequent declarations on Germany by France and the United Kingdom.
So, formal declarations occurred at the later date, and gathered more directly attacking sides, enough to call it a "World War", where before it was China + Soviets + USA vs. Japan.
add a comment |Â
up vote
1
down vote
up vote
1
down vote
As the World War II Article says:
Japan, which aimed to dominate Asia and the Pacific, was at war with China by 1937[5][b]—though neither side had declared war on the other. World war is generally said to have begun on 1 September 1939,[6] with the invasion of Poland by Germany and subsequent declarations on Germany by France and the United Kingdom.
So, formal declarations occurred at the later date, and gathered more directly attacking sides, enough to call it a "World War", where before it was China + Soviets + USA vs. Japan.
As the World War II Article says:
Japan, which aimed to dominate Asia and the Pacific, was at war with China by 1937[5][b]—though neither side had declared war on the other. World war is generally said to have begun on 1 September 1939,[6] with the invasion of Poland by Germany and subsequent declarations on Germany by France and the United Kingdom.
So, formal declarations occurred at the later date, and gathered more directly attacking sides, enough to call it a "World War", where before it was China + Soviets + USA vs. Japan.
answered 30 mins ago
Malandy
654617
654617
add a comment |Â
add a comment |Â
up vote
0
down vote
That's a good question. I can't get into the minds of the consensus, but chronologically the Axis powers, including Imperial Japan, weren't formed until a year later on 27 September 1940 with the Tripartite Pact. Until then, Nazi Germany and the Soviet Russia were the aggressors, while Japan was just a country outside the European political sphere having an unrelated regional war. Two nations didn't attack as an alliance until Germany and Russia invaded Poland under the Molotov–Ribbentrop Pact signed in 23 August 1939. All other related aggressive actions before then were by a single country, thus not a "World War."
add a comment |Â
up vote
0
down vote
That's a good question. I can't get into the minds of the consensus, but chronologically the Axis powers, including Imperial Japan, weren't formed until a year later on 27 September 1940 with the Tripartite Pact. Until then, Nazi Germany and the Soviet Russia were the aggressors, while Japan was just a country outside the European political sphere having an unrelated regional war. Two nations didn't attack as an alliance until Germany and Russia invaded Poland under the Molotov–Ribbentrop Pact signed in 23 August 1939. All other related aggressive actions before then were by a single country, thus not a "World War."
add a comment |Â
up vote
0
down vote
up vote
0
down vote
That's a good question. I can't get into the minds of the consensus, but chronologically the Axis powers, including Imperial Japan, weren't formed until a year later on 27 September 1940 with the Tripartite Pact. Until then, Nazi Germany and the Soviet Russia were the aggressors, while Japan was just a country outside the European political sphere having an unrelated regional war. Two nations didn't attack as an alliance until Germany and Russia invaded Poland under the Molotov–Ribbentrop Pact signed in 23 August 1939. All other related aggressive actions before then were by a single country, thus not a "World War."
That's a good question. I can't get into the minds of the consensus, but chronologically the Axis powers, including Imperial Japan, weren't formed until a year later on 27 September 1940 with the Tripartite Pact. Until then, Nazi Germany and the Soviet Russia were the aggressors, while Japan was just a country outside the European political sphere having an unrelated regional war. Two nations didn't attack as an alliance until Germany and Russia invaded Poland under the Molotov–Ribbentrop Pact signed in 23 August 1939. All other related aggressive actions before then were by a single country, thus not a "World War."
edited 1 min ago
answered 24 mins ago
Tombo
70119
70119
add a comment |Â
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I remember seeing an American textbook in the 1970s which gave the dates of WW2 as 7 December 1941 to 2 September 1945! I guess it's also sometimes a matter of perspective.
– sempaiscuba♦
9 mins ago