Map of Asia in 1850

The Russian Empire was an empire that extended across northern Eurasia from 1721 until the proclamation of the Russian Republic in 1917, forming the final era of Tsarist Russia and the wider Russian monarchy. At its height in the late 19th century, it covered about 22,800,000 km2 (8,800,000 sq mi), roughly one-sixth of the world's landmass, making it the third-largest empire in history, behind only the British and Mongol empires.

Mapped extent in 1850 CE: 21.04M km²

The Qing dynasty, officially the Great Qing, also known as the Qing Empire or Qing China, was a Manchu-led imperial dynasty of China and an early modern empire in East Asia which existed from 1636/1644 to 1912. The last imperial dynasty in Chinese history, the Qing dynasty was preceded by the Ming dynasty and succeeded by the Republic of China.

Mapped extent in 1850 CE: 12.10M km²

The British Empire comprised the dominions, colonies, protectorates, mandates, and other territories ruled or administered by the United Kingdom and its predecessor states. It began with the overseas possessions and trading posts established by England in the late 16th and early 17th centuries, and colonisation attempts by Scotland during the 17th century.

Mapped extent in 1850 CE: 6.48M km²

The Ottoman Empire, also known historically as Turkey or the Turkish Empire, was a state that spanned much of Southeastern Europe, West Asia, and North Africa from the 14th century to the early 20th century, centred in modern-day Turkey. It also controlled parts of southeastern Central Europe between the early 16th and early 18th centuries.

Mapped extent in 1850 CE: 2.11M km²

The Qajar dynasty is a formerly aristocratic Iranian dynasty that gained prominence with the rise of Shahverdi Sultan in the early 16th century as heads of the Turkoman Qajar tribe of the Qizilbash confederacy. The dynasty ruled Iran from 1789 until 1925, beginning with the Unification of Iran (1779–1796) by Agha Mohammad Khan Qajar.

Mapped extent in 1850 CE: 1.62M km²

The British Empire comprised the dominions, colonies, protectorates, mandates, and other territories ruled or administered by the United Kingdom and its predecessor states. It began with the overseas possessions and trading posts established by England in the late 16th and early 17th centuries, and colonisation attempts by Scotland during the 17th century.

Mapped extent in 1850 CE: 1.31M km²