525 BC

Millennium:	1st millennium BC
Centuries:	7th century BC 6th century BC 5th century BC
Decades:	540s BC 530s BC 520s BC 510s BC 500s BC
Years:	528 BC 527 BC 526 BC 525 BC 524 BC 523 BC 522 BC

525 BC in various calendars

Gregorian calendar	525 BC DXXV BC
Ab urbe condita	229
Ancient Egypt era	XXVII dynasty, 1
- Pharaoh	Cambyses II of Persia, 1
Ancient Greek era	63rd Olympiad, year 4
Assyrian calendar	4226
Balinese saka calendar	N/A
Bengali calendar	−1117
Berber calendar	426
Buddhist calendar	20
Burmese calendar	−1162
Byzantine calendar	4984–4985
Chinese calendar	乙亥年 (Wood Pig) 2173 or 1966     — to — 丙子年 (Fire Rat) 2174 or 1967
Coptic calendar	−808 – −807
Discordian calendar	642
Ethiopian calendar	−532 – −531
Hebrew calendar	3236–3237
Hindu calendars
- Vikram Samvat	−468 – −467
- Shaka Samvat	N/A
- Kali Yuga	2576–2577
Holocene calendar	9476
Iranian calendar	1146 BP – 1145 BP
Islamic calendar	1181 BH – 1180 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1809
Minguo calendar	2436 before ROC 民前2436年
Nanakshahi calendar	−1992
Thai solar calendar	18–19
Tibetan calendar	阴木猪年 (female Wood-Pig) −398 or −779 or −1551     — to — 阳火鼠年 (male Fire-Rat) −397 or −778 or −1550

The year 525 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 229 Ab urbe condita. The denomination 525 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Events

By place

Egypt

• Battle of Pelusium - Cambyses II of Persia conquers Egypt by painting cats and other animals sacred to the Egyptians on his soldiers' shields. The Egyptians run in fear of "harming" these animals. It is said that after the battle, Cambyses hurled cats in the faces of the Egyptians in scorn that they would sacrifice their country for the safety of their animals.
• Cambyses takes Psamtik III prisoner and treats him kindly until he tries to raise a revolt, at which point Psamtik is executed.
• The Twenty-sixth Dynasty ends, and the Twenty-seventh Dynasty begins.

Somalia

• After conquering Egypt, the Persian king Cambyses II sent ambassadors to Macrobia, bringing luxury gifts for the Macrobian king to entice his submission. The Macrobian king replied instead with a challenge for his Persian counterpart in the form of an unstrung bow: if the Persians could manage to string it, they would have the right to invade his country; but until then, they should thank the gods that the Macrobians never decided to invade their empire.

Astronomy

• September 17 - Venus occults Antares. The next such occurrence will not take place until November 17, 2400 AD.

Births

• Aeschylus, author of Greek tragedies

Deaths

• Psammetichus III, Egyptian pharaoh
• Anaximenes of Miletus, Greek scientist and philosopher (b. 585 BC)