Countries at its territorial peak

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Persian Empire at its territorial peak (500 BCE)

The Greek empire at its territorial peak (323 BCE)

The Armenian Empire at its territorial peak under Tigranes the Great (80 BCE)

Mongol Empire at its territorial peak (1279)

Serbia at its territorial peak (1371)

Lithuania at its peak (1420)

The Inca Empire at its greatest extent (1532)

Swedish Empire at its territorial peak (1654)

Ottoman (Turkish) Empire at its territorial peak (1683)

The Swedish empire at its peak (1721)

Danish Empire at its territorial peak (1755)

China at its territorial peak (1765)

Spanish Empire at its greatest extent (1790)

Portuguese Empire at its territorial peak (1801)

Mexican Empire at its territorial peak (1823)

Russian Empire at its territorial peak (1866)

Austria-Hungary at its territorial peak (1902)

Italian Empire at its territorial (1914)

The American Empire at its peak (1902)

The Prussia at its territorial peak (1907)

The German Empire at its territorial peak (1914)

French Empire at its territorial peak (1920)

British Empire at its territorial peak (1921)

Dutch Empire at its territorial peak (1938)

Japanese Empire at its territorial peak (1942)

Belgian Empire at its territorial peak (1960)

Portugal at its peak (1975)

Jan Mayen at its territorial peak (1994)

San Marino at its territorial peak

The Republic of Venice at its the maximum territorial extent