Okay, this is the same list I made at Heaven games, with slight modifications.
Ancient (to 0)
Cyrus the Great
Alexander the Great
Hannibal Barca
Publius Cornelius Scipio
Gaius Julius Caesar
Shi Huangdi
0 to 500
Arminius
Titus
Trajan
Aurelian
Aetius
Attila the Hun
Alaric
500 to 1000
Belisarius
Clovis
Charlemagne
Charles Martel
Alfred the Great
1000-1500
William the Conqueror
Edward I of England
Edward III of England
Henry V of England
Genghis Khan
The Black Prince
Robert Bruce
Mehmet the Conqueror
1500-1800
Gustavus Adolphus
Frederick the Great
Duke of Marlborough
Prince Eugene
Turenne
Vauban
George Washington
1800-1900
Napoleon Bonaparte
Duke of Wellington
Robert E. Lee
U.S. Grant
James Longstreet
Helmut von Moltke the Elder
1900-2000
Brusilov
Georgi Zhukov
Erwin Rommel
George Patton
Manstein
Isoroku Yamamoto
General Giap