4.5 billion – 1 B.C. World History
Updated December 1, 2020 | Infoplease Staff
Before Christ (B.C.) or Before the Common Era (B.C.E.)
Peter F. Harrington
- 4.5 billion B.C.
- Planet Earth formed.
- 3 billion B.C.
- First signs of primeval life (bacteria and blue-green algae) appear in oceans.
- 600 million B.C.
- Earliest date to which fossils can be traced.
- 4.4 million B.C.
- Earliest known hominid fossils (Ardipithecus ramidus) found in Aramis, Ethiopia, 1994.
- 4.2 million B.C.
- Australopithecus anamensis found in Lake Turkana, Kenya, 1995.
- 3.2 million B.C.
- Australopithecus afarenis (nicknamed “Lucy”) found in Ethiopia, 1974.
- 2.5 million B.C.
- Homo habilis (“Skillful Man”). First brain expansion; is believed to have used stone tools.
- 1.8 million B.C.
- Homo erectus (“Upright Man”). Brain size twice that of Australopithecine species.
- 1.7 million B.C.
- Homo erectus leaves Africa.
- 100,000 B.C.
- First modern Homo sapiens in South Africa.
- 70,000 B.C.
- Neanderthal man (use of fire and advanced tools).
- 35,000 B.C.
- Neanderthal man replaced by later groups of Homo sapiens (i.e., Cro-Magnon man, etc.).
- 18,000 B.C.
- Cro-Magnons replaced by later cultures.
- 15,000 B.C.
- Migrations across Bering Straits into the Americas.
- 10,000 B.C.
- Semi-permanent agricultural settlements in Old World.
- 10,000–4,000 B.C.
- Development of settlements into cities and development of skills such as the wheel, pottery, and improved methods of cultivation in Mesopotamia and elsewhere.
- 5500–3000 B.C.
- Predynastic Egyptian cultures develop (5500–3100 B.C.); begin using agriculture (c. 5000 B.C.). Earliest known civilization arises in Sumer (4500–4000 B.C.). Earliest recorded date in Egyptian calendar (4241 B.C.). First year of Jewish calendar (3760 B.C.). First phonetic writing appears (c. 3500 B.C.). Sumerians develop a city-state civilization (c. 3000 B.C.). Copper used by Egyptians and Sumerians. Western Europe is neolithic, without metals or written records.
- 3000–2000 B.C.
- Pharaonic rule begins in Egypt. King Khufu (Cheops), 4th dynasty (2700–2675 B.C.), completes construction of the Great Pyramid at Giza (c. 2680 B.C.). The Great Sphinx of Giza (c. 2540 B.C.) is built by King Khafre. Earliest Egyptian mummies. Papyrus. Phoenician settlements on coast of what is now Syria and Lebanon. Semitic tribes settle in Assyria. Sargon, first Akkadian king, builds Mesopotamian empire. The Gilgamesh epic (c. 3000 B.C.). Systematic astronomy in Egypt, Babylon, India, China.
- 3000–1500 B.C.
- The most ancient civilization on the Indian subcontinent, the sophisticated and extensive Indus Valley civilization, flourishes in what is today Pakistan. In Britain, Stonehenge erected according to some unknown astronomical rationale. Its three main phases of construction are thought to span c. 3000–1500 B.C.
- 2000–1500 B.C.
- Hyksos invaders drive Egyptians from Lower Egypt (17th century B.C.). Amosis I frees Egypt from Hyksos (c. 1600 B.C.). Assyrians rise to power—cities of Ashur and Nineveh. Twenty-four-character alphabet in Egypt. Cuneiform inscriptions used by Hittites. Peak of Minoan culture on Isle of Crete—earliest form of written Greek. Hammurabi, king of Babylon, develops oldest existing code of laws (18th century B.C.).
- 1500–1000 B.C.
- Ikhnaton develops monotheistic religion in Egypt (c. 1375 B.C.). His successor, Tutankhamen, returns to earlier gods. Greeks destroy Troy (c. 1193 B.C.). End of Greek civilization in Mycenae with invasion of Dorians. Chinese civilization develops under Shang Dynasty. Olmec civilization in Mexico—stone monuments; picture writing.
- 1000–900 B.C.
- Solomon succeeds King David, builds Jerusalem temple. After Solomon's death, kingdom divided into Israel and Judah. Hebrew elders begin to write Old Testament books of Bible. Phoenicians colonize Spain with settlement at Cadiz.
- 900–800 B.C.
- Phoenicians establish Carthage (c. 810 B.C.). The Iliad and the Odyssey, perhaps composed by Greek poet Homer.
- 800–700 B.C.
- Prophets Amos, Hosea, Isaiah. First recorded Olympic games (776 B.C.). Legendary founding of Rome by Romulus (753 B.C.). Assyrian king Sargon II conquers Hittites, Chaldeans, Samaria (end of Kingdom of Israel). Earliest written music. Chariots introduced into Italy by Etruscans.
- 700–600 B.C.
- End of Assyrian Empire (616 B.C.)—Nineveh destroyed by Chaldeans (Neo-Babylonians) and Medes (612 B.C.). Founding of Byzantium by Greeks (c. 660 B.C.). Building of the Acropolis in Athens. Solon, Greek lawgiver (640–560 B.C.). Sappho of Lesbos, Greek poet (fl. c. 610–580 B.C.). Lao-tse, Chinese philosopher and founder of Taoism (born c. 604 B.C.).
- 600–500 B.C.
- Babylonian King Nebuchadnezzar builds empire, destroys Jerusalem (586 B.C.). Babylonian Captivity of the Jews (starting 587 B.C.). Hanging Gardens of Babylon. Cyrus the Great of Persia creates great empire, conquers Babylon (539 B.C.), frees the Jews. Athenian democracy develops. Aeschylus, Greek dramatist (525–465 B.C.). Pythagoras, Greek philosopher and mathematician (582?–507? B.C.). Confucius (551–479 B.C.) develops ethical and social philosophy in China. The Analects or Lun-yü (“collected sayings”) are compiled by the second generation of Confucian disciples. Buddha (563?–483? B.C.) founds Buddhism in India.
- 500–400 B.C.
- Greeks defeat Persians: battles of Marathon (490 B.C.), Thermopylae (480 B.C.), Salamis (480 B.C.). Peloponnesian Wars between Athens and Sparta (431–404 B.C.)—Sparta victorious. Pericles comes to power in Athens (462 B.C.). Flowering of Greek culture during the Age of Pericles (450–400 B.C.). The Parthenon is built in Athens as a temple of the goddess Athena (447–432 B.C.). Ictinus and Callicrates are the architects and Phidias is responsible for the sculpture. Sophocles, Greek dramatist (496?–406 B.C.). Hippocrates, Greek “Father of Medicine” (born 460 B.C.). Xerxes I, king of Persia (rules 485–465 B.C.).
- 400–300 B.C.
- Pentateuch—first five books of the Old Testament evolve in final form. Philip of Macedon, who believed himself to be a descendant of the Greek people, assassinated (336 B.C.) after subduing the Greek city-states; succeeded by son, Alexander the Great (356–323 B.C.), who destroys Thebes (335 B.C.), conquers Tyre and Jerusalem (332 B.C.), occupies Babylon (330 B.C.), invades India, and dies in Babylon. His empire is divided among his generals; one of them, Seleucis I, establishes Middle East empire with capitals at Antioch (Syria) and Seleucia (in Iraq). Trial and execution of Greek philosopher Socrates (399 B.C.). Dialogues recorded by his student, Plato (c. 427–348 or 347 B.C.). Euclid's work on geometry (323 B.C.). Aristotle, Greek philosopher (384–322 B.C.). Demosthenes, Greek orator (384–322 B.C.). Praxiteles, Greek sculptor (400–330 B.C.).
- 300–251 B.C.
- First Punic War (264–241 B.C.): Rome defeats the Carthaginians and begins its domination of the Mediterranean. Temple of the Sun at Teotihuacán, Mexico (c. 300 B.C.). Invention of Mayan calendar in Yucatán—more exact than older calendars. First Roman gladiatorial games (264 B.C.). Archimedes, Greek mathematician (287–212 B.C.).
- 250–201 B.C.
- Second Punic War (219–201 B.C.): Hannibal, Carthaginian general (246–142 B.C.), crosses the Alps (218 B.C.), reaches gates of Rome (211 B.C.), retreats, and is defeated by Scipio Africanus at Zama (202 B.C.). Great Wall of China built (c. 215 B.C.).
- 200–151 B.C.
- Romans defeat Seleucid King Antiochus III at Thermopylae (191 B.C.)—beginning of Roman world domination. Maccabean revolt against Seleucids (167 B.C.).
- 150–101 B.C.
- Third Punic War (149–146 B.C.): Rome destroys Carthage, killing 450,000 and enslaving the remaining 50,000 inhabitants. Roman armies conquer Macedonia, Greece, Anatolia, Balearic Islands, and southern France. Venus de Milo (c. 140 B.C.). Cicero, Roman orator (106–43 B.C.).
- 100–51 B.C.
- Julius Caesar (100–44 B.C.) invades Britain (55 B.C.) and conquers Gaul (France) (c. 50 B.C.). Spartacus leads slave revolt against Rome (71 B.C.). Romans conquer Seleucid empire. Roman general Pompey conquers Jerusalem (63 B.C.). Cleopatra on Egyptian throne (51–31 B.C.). Chinese develop use of paper (c. 100 B.C.). Virgil, Roman poet (70–19 B.C.). Horace, Roman poet (65–8 B.C.).
- 50–1 B.C.
- Caesar crosses Rubicon to fight Pompey (50 B.C.). Herod made Roman governor of Judea (37 B.C.). Caesar murdered (44 B.C.). Caesar's nephew, Octavian, defeats Mark Antony and Cleopatra at Battle of Actium (31 B.C.), and establishes Roman empire as Emperor Augustus; rules 27 B.C.–A.D. 14. Pantheon built for the first time under Agrippa, 27 B.C. Ovid, Roman poet (43 B.C.–A.D. 18).
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