Statistics for Largest Empires in History: 21st to 40th

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Duration	Size (sq mi)	Location	Empire	% Correct
27 BC to 476 AD	1,930,000	Africa, Asia and Europe	{Roman} Empire	82%
1299 to 1923	2,010,000	Africa, Asia and Europe	{Ottoman} Empire	77%
4th century BC	2,010,000	Africa, Asia and Europe	{Macedonian} Empire	73%
1415 to 1999	2,100,000	Worldwide	{Portuguese} Empire	68%
1882 to 1960	1,466,000	Africa, Asia and Europe	{Italian} Colonial Empire	59%
323 BC to 184 BC	1,930,000	Asia	{Maurya} Empire	55%
1526 to 1540, 1555 to 1857	1,540,000	Asia	{Mughal} Empire	55%
370 to 469	1,540,000	Eurasia	{Hunnic} Empire	50%
618 to 842	1,780,000	Asia	{Tibetan} Empire	36%
1226 to 1347 (and breakaway khanates up until 1705)	1,350,000	Asia	{Chagatai} Khanate	32%
909 to 1171	1,580,000	Africa, Asia and Europe	{Fatimid} Caliphate	32%
312 BC to 63 BC	1,510,000	Asia	{Seleucid} Empire	32%
1256 to 1353	1,450,000	Asia	{Il}khanate	27%
1370 to 1507	1,700,000	Asia	{Timurid} Empire	27%
3rd century to 543	1,350,000	Asia	{Gupta} Empire	23%
916 to 1125	1,740,000	Asia	{Liao} dynasty	18%
1037 to 1194	1,510,000	Asia	{Seljuk} Empire	18%
581 to 650	1,540,000	Asia	{Eastern Turkic} Khaganate	14%
440s to 710	1,540,000	Asia	{Hephthalite} Empire	14%
1077 to 1231	1,390,000	Asia	{Khwarazmian} Empire	9%