1 Qin Shi Huangdi
The original Unifier, Qin Shih Huangdi conquered the six kingdoms and thus created China.
2 King Kamehameha I
Through military conquest and diplomacy, this big Kahuna United the Hawaiian islands as a kingdom in 1810.
3 Tewodros II
While not the first Emperor of Ethiopia, Tewodros did bring an end to the Zemene Mesafint in 1855, uniting a historically divided country.
4 Oda Nobunaga
Oda Nobunaga was a powerful Daimyō of Japan in the late 16th century who attempted to unify Japan during the late Sengoku period. Nobunaga is regarded as one of three unifiers of Japan along with his retainers Toyotomi Hideyoshi and Tokugawa Ieyasu.
Oda Nobunaga, known as Demon Archer, is the Archer-class Servant of Artoria in the Strange Tales of the Imperial Holy Grail of Fate/KOHA-ACE. She is one of the Servants of the Protagonist of the Grand Order conflicts of Fate/Grand Order. Nobunaga was the first of the three men who United Japan under one leader. He United the country in 1582
5 Liu Bang
Born the son of a peasant, Liu Bang brought together ten kingdoms under one roof as the Han Empire in 201 AD.
6 Constantine
This guy basically did the same thing in 324 AD except the empire was divided into four pieces.
7 Aurelian
Yet another Roman emperor, this one brought the over powerful Palmyra empire and Gallic empire to their knees. In 273-74 AD.
8 Augustus Caesar
The first Emperor of Rome, Augustus United the east and west under his rule and created the greatest empire the world has ever known.
9 Otto von Bismarck
Otto Eduard Leopold, Prince of Bismarck, Duke of Lauenburg, known as Otto von Bismarck, was a conservative Prussian statesman who dominated German and European affairs from the 1860s until 1890. In the 1860s, he engineered a series of wars that unified the German states, deliberately excluding Austria, into a powerful German Empire under Prussian leadership. "...Not through speeches and majority decisions will the great questions of the day be decided - that was the great mistake of 1848 and 1849 - but by iron and blood."
United the Germanic states into a current world power.
Unified the German states with swift accuracy
10 Abraham Lincoln
Abraham Lincoln (February 12, 1809 – April 15, 1865) was an American lawyer and statesman who served as the 16th president of the United States from 1861 until his assassination in 1865. Lincoln led the nation through the American Civil War and succeeded in preserving the Union, abolishing slavery, bolstering the federal government, and modernizing the U.S. economy.
He married Mary Todd and they had four boys, only one of whom lived to maturity. In 1858 Lincoln ran against Stephen A. Douglas for Senator. He lost the election, but in debating with Douglas he gained a national reputation that won him the Republican nomination for President in 1860.
The Contenders
11 Philip II of Macedonia
Although he is generally overlooked in history, King Phillip of Macedonia achieved what many people thought was impossible in 338 because. He United the Greek city States under one king.
12 George Washington
George Washington (February 22, 1732– December 14, 1799) was an American military officer, statesman, and Founding Father who served as the first president of the United States from 1789 to 1797. Appointed by the Continental Congress as commander of the Continental Army, Washington led the Patriot forces to victory in the American Revolutionary War and served as the president of the Constitutional Convention of 1787, which created the Constitution of the United States and the American federal government. Washington has been called the "Father of the Nation" for his manifold leadership in the formative days of the country. Funny how he's number 13, as he arguably united the 13 colonies
13 Mobutu Sese Seko
This dictator United the Congo under one government in 1971 and although he was a brutal tyrant he still held his country together.
14 Martin Luther King Jr
Martin Luther King Jr. (born Michael King Jr.; January 15, 1929 – April 4, 1968) was an African American minister and activist who became the most visible spokesperson and leader in the civil rights movement from 1955 until his assassination in 1968. King is best known for advancing civil rights through nonviolence and civil disobedience, inspired by his Christian beliefs and the nonviolent activism of Mahatma Gandhi.
15 Mahatma Gandhi
Mohandas Karamchand Gandhi was the preeminent leader of the Indian independence movement in British-ruled India.
16 Margaret I of Denmark
17 King Victor Emmanuel of Savoy
King Victor Emmanuel was the king of Sardinia-Piedmont, and under his rule, Italy was unified. He also employed Giuseppe Garibaldi and his Red Shirts to conquer The Two Sicilies and his other armies were able to push the pope back from his Papal States and into the walls of the Vatican
18 Tokugawa Ieyasu
19 Charlemagne
20 Alexandru Ioan Cuza
21 Arminius
22 Julius Caesar
Gaius Julius Caesar, known by his cognomen Julius Caesar, was a Roman politician and military general who played a critical role in the events that led to the demise of the Roman Republic and the rise of the Roman Empire.