| A | B |
| Czar Nicholas II | (1868-1918) Czar of Russia (1894-1917). He was overthrown during the Russian Revolution of 1917. Later, he and his family were killed by the revolution’s leadership. |
| Da Gama, Vasco | (1469?-1524) Portuguese explorer who, in 1498, established an all water route to India |
| Da Vinci, Leonardo | (1452-1519) An Italian painter, sculptor, engineer, and inventor. Famous works include paintings Mona Lisa and The Last Supper. Also left a variety of sketches showing flying machines and underwater boats centuries before the invention of planes and submarines. |
| Daimler, Gottlieb | (1834-1900) German inventor. He is best know for his work in the development of the gasoline internal combustion engine. |
| Dalai Lama | The spiritual leader of the Tibetan sect of Buddhism, and is considered to be the reincarnation of the bodhisattva, or "buddha-to-be." |
| Dante | (1265-1321) Italian poet and Renaissance writer. His greatest work is The Divine Comedy. |
| Darius I | (558?BCE – 486BCE) King of Persia who expanded his empire to extend from the Mediterranean to the Indus River. |
| de Cervantes, Miguel | (1547-1616) Spanish Renaissance writer. His greatest work is the comedic tale Don Quixote. |
| de Klerk, F. W. | (1936 - ) The white South African president who ended Apartheid in the early 1990s. |
| de San Martín, José | (1778-1850) Latin American revolutionary. He is one of the main leaders of the Latin American independence movement. |
| de Santa Anna, Antonio López | (1794-1876) Mexican general and dictator who controlled Mexico for more than 25 years. Lost war against the United States which cost Mexico present day California, Nevada, and New Mexico. |
| Deng Xiaoping | (1904-1997) Chinese Communist leader. Ruled from 1978 until 1997. |
| Descartes, Rene | (1596-1650) French intellectual who challenged traditional ideas. He said that human reason was capable of discovering and explaining the laws of nature and man. The idea of human reason being superior to tradition led to the beginning of the Enlightenment, a time of political awakening that became revolution. |
| Diocletian | (245-313) Emperor of Rome who was responsible for dividing Rome into different provinces and districts. Eventually, the eastern portions of the Empire became known as the Byzantine Empire. |
| Edison, Thomas Alva | (1847-1931) American inventor. He is best know for the electric light bulb, the phonograph, and the motion picture camera. |
| Einstein, Albert | (1879-1955) American scientist best known for his theory of relativity. |
| Elizabeth I | (1533-1603) Queen of England and Ireland between 1558 and 1603. She was an absolute monarch and is considered to be one of the most successful rulers of all time. |
| Engels, Friedrich | (1820-1895) German socialist and co-author of The Communist Manifesto. |
| Eratosthenes | (276?-196? BCE), Greek mathematician, astronomer, and geographer who measured the circumference of the Earth. His measurement was only off by 15%. |
| Euclid | (circa 300 BCE), Greek mathematician. Considered to be the father of modern geomertry. |