Most powerful countries in different periods of time

This page is about the strongest countries in different times of our world. from 3000 BC to Present day.

Table

Time	Country
3000 BC	The Kingdom of Egypt.
2000 BC	The Akkadian Empire, along with Egypt and the Indus Valley Civilization.
1500 BC	Either the Hittite Empire or the Egyptians at this point in time.
1000 BC	With the Middle East in turmoil, the Western Zhou Dynasty emerges at the most advanced civilization.
700 BC
500 BC	As the world's first, large scale superpower, by far the Achaemenid Empire.
50 BC	Roman Republic
100 AD	At its zenith under the Nerva-Antonine Dynasty, by far the Roman Empire.
300 AD	The Roman Empire
500 AD	Either the Eastern Roman Empire or the Gupta Dyansty
600 AD	The Sui Dynasty of China
1000 AD	By far and with no equal in sight, the Song Dynasty in southern China.
1250 AD	The Mongol Empire, and, from the 1300s, the Ottomans, inarguably ending the Middle Ages in 1453.
1500 AD	Spanish Empire
1700	Qing China
1820	The British Empire
1880	Germany, Russia, and America are becoming bigger powers, but the British are still ahead
1921	At the end of World War I most European countries are recovering, leaving the United States growing at fast rates.
1940	The United States, along with the British Empire, Soviet Union, Nazi Germany, and the Empire of Japan.
1942	Germany controls the majority of Europe. Russia is still growing at rapid rates. Leaving Russia at number 3 for the time, the US might have made its way to the top again now.
1964	The heights of both the Cold War and Space Race, the United States and Soviet Union are roughly equal.
1990	The United States of America, especially with the Soviet Union on the verge of collapse.
2015	Still the United States by far, but China is quickly catching up.
2050 estimation	The United States and China are approximately equal, although the USA's future is currently unstable. Turkey has a high chance of catching up, taking into consideration that the president will be changed.