Before history, Archaean Eon (4000-2500 mya), Precambrian Superion (4560-541 mya)
Month: June 2025
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Before history, Evolution of Life (4560 mya-present), Palaeozoic Era (541-252 mya), Precambrian Superion (4560-541 mya), Proterozoic Eon (2500-541 mya)
Evolution of Life, Precambrian Superion: Proterozoic Eon (2500-541 mya), Eukaryotes
Second (=Great) Peloponnesian War (431-404 BC), Middle Classical Period (446-404 BC)
Greece, Second (=Great) Peloponnesian War, Year Two (430/29 BC), Archidamian War: Plague at Athens
Before history, Evolution of Life (4560 mya-present), Palaeozoic Era (541-252 mya), Phanerozoic Eon (541 mya-present), Silurian Period (444-419 mya)
Evolution of Life: Silurian Period, jawed fish
Astronomy, Ancient Astronomy (11th century BC-11th century AD)
Astronomy: Islam
Astronomy, Ancient Astronomy (11th century BC-11th century AD)
Astronomy: India
Astronomy, Ancient Astronomy (11th century BC-11th century AD)
Astronomy: Mesopotamia
Ancient Near East, Egypt (3050 BC-AD 642), Graeco-Roman Period (332-395)
Ancient Near East, Egypt, Graeco-Roman Period: Byzantine Period, (395-646)
Astronomy, Ancient Astronomy (11th century BC-11th century AD)
Astronomy, Rome: Julian Calendar
Late Roman Empire (284-476), Interregnum (392–425), Valentinian III, Valentinian-Theodosian Dynasty (364-455)