Largest Countries in History

No one person has ever achieved rulership over the whole planet. Which states have come closest to this measure?
Quiz by IPS
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Last updated: May 17, 2017
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First submittedMay 16, 2017
Times taken130
Average score71.4%
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Greatest extent
Answer
36,666,630 sq. km.
British Empire and Commonwealth
33,152,000 sq. km.
Mongol Empire
25,598,500 sq. km.
Soviet Bloc
19,425,000 sq. km.
Spanish Colonial Empire
17,073,280 sq. km.
Russian Federation
13,209,000 sq. km.
Caliphate
12,595,170 sq. km.
French Colonial Empire
11,965,800 sq. km.
Chinese Empire
10,146,923 sq. km.
United States of America
9,968,910 sq. km.
Canada
9,572,900 sq. km.
Peoples Republic of China
Greatest extent
Answer
8,892,418 sq. km.
Portuguese Colonial Empire
8,547,404 sq. km.
Federative Republic of Brazil
8,152,550 sq. km.
Commonwealth of Australia
7,770,000 sq. km.
Uighur Khaghanate
7,417,760 sq. km.
Japanese Empire
6,169,380 sq. km.
Persian Empire
5,957,000 sq. km.
Great Seljuq Empire
5,698,000 sq. km.
Roman Empire
5,594,400 sq. km.
Ottoman Empire
5,439,000 sq. km.
Macedonian Empire
+1
Level 70
May 16, 2017
Canada is no dominion anymore--we are a sovereign state, and we haven't lost any territory since we stopped being a dominion so just "Canada" should be fine. Also, "Islamic Caliphate" should count for "Caliphate"
+1
Level 65
May 17, 2017
Corrected, thanks
+1
Level 64
May 17, 2017
I typed in the Soviet Union but forgot Russia.