525 BC

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Millennium: 1st millennium BC
Centuries: 7th century BC6th century BC5th century BC
Decades: 550s BC  540s BC  530s BC  – 520s BC –  510s BC  500s BC  490s BC
Years: 528 BC 527 BC 526 BC525 BC524 BC 523 BC 522 BC
525 BC in other calendars
Gregorian calendar 525 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
Bengali calendar −1117
Berber calendar 426
Buddhist calendar 20
Burmese calendar −1162
Byzantine calendar 4984–4985
Chinese calendar 乙亥(Wood Pig)
2172 or 2112
    — to —
丙子年 (Fire Rat)
2173 or 2113
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
Nanakshahi calendar −1992
Thai solar calendar 18–19

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.


By place[edit]


  • 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.[1]
  • Cambyses takes Psamtik III prisoner and treats him kindly until he tries to raise a revolt, at which point Psamtik is executed.[1]
  • The Twenty-sixth Dynasty ends, and the Twenty-seventh Dynasty begins.