2400 bce

Food & agriculture

Manioc (cassava, also prepared as tapioca) is grown in South America along the west coast (Peru), although it probably was domesticated earlier in the tropical inland region. See also 2800 bce Food & agriculture; 2000 bce Food & agriculture.

The honey bee is domesticated in Egypt earlier than this date, for a temple drawing from this time shows the earliest known depiction of beekeeping and honey preparation. See also 2700 bce Food & agriculture.

The domesticated two-humped Bactrian camel is present (Turkmenistan or Iran), although probably domesticated earlier (Kazakhstan, northern Mongolia, or northern China).

People living on the west coast of South America (Peru) begin to divert river water into their fields. See also 6000 bce Food & agriculture; 2000 bce Food & agriculture.

Records indicate that bitumen, derived from petroleum seepage, is used in great quantities for waterproofing by the inhabitants of Mesopotamia, with shipments to Ur of over a hundred tons from sites such as Hit on the Euphrates or other centers. Bitumen mixed with sand or fiber (called mastic) is also used as a building material during this period and until Antiquity. See also 3000 bce Materials.

The oldest preserved weight, found in the Mesopotamian city of Lagash, is 477 g (about 17 oz). See also 2500 bce Mathematics; 2100 bce Mathematics. (See essay.)

Millennium:	3rd millennium BC
Centuries:	25th century BC - 24th century BC - 23rd century BC
Decades:	2390s BC 2380s BC 2370s BC 2360s BC 2350s BC 2340s BC 2330s BC 2320s BC 2310s BC 2300s BC
Categories:	Births - Deaths Establishments - Disestablishments

Events

Extent and major sites of the Indus Valley Civilization.

• c. 2900–2334 BC — Mesopotamian wars of the Early Dynastic period continue.
• c. 2383 BC — Pepi II Neferkare, the longest reigning monarch of all time, started to rule at age 6.
• c. 2350 BC — End of the Early Dynastic IIIb period in Mesopotamia.
• c. 2350 BC — First destruction of the city of Mari.
• c. 2345 BC — End of Fifth Dynasty. Pharaoh Unas died.
• c. 2345 BC — Sixth dynasty of Egypt starts (other date is 2460 BC).
• c. 2340 BC–2180 BC — Akkadian Empire.
• c. 2334 BC–2279 BC — Semitic chieftain Sargon I of Akkad's conquest of Sumer and Mesopotamia.
• c. 2333 BCE- The state of Gojoseon (Modern-day Korea) founded by Dangun Wanggeom during the reign of the Chinese Emperor Yao.
• City of Lothal founded under the Indus valley civilization.

Significant persons

• Urukagina
• c. 2332 BC — Sargon of Akkad starts to rule
• Enheduanna, daughter of Sargon, priestess and the first author known by name
• Ptahhotep, ancient Egyptian Vizier, author of The Maxims of Ptahhotep

Deaths

• Jared, son of Mahalalel, (3300–2338 BC) according to the Hebrew Calendar

Inventions, discoveries, introductions

• The first official mentioning of beekeeping in Egypt
• The first documented use of an organized courier service for the diffusion of written documents in Egypt

Decades and Years

Decades and Years

24th century BC
26th century BC←25th century BC← ↔ →23rd century BC→22nd century BC

2400s BC	2409 BC	2408 BC	2407 BC	2406 BC	2405 BC	2404 BC	2403 BC	2402 BC	2401 BC	2400 BC
2390s BC	2399 BC	2398 BC	2397 BC	2396 BC	2395 BC	2394 BC	2393 BC	2392 BC	2391 BC	2390 BC
2380s BC	2389 BC	2388 BC	2387 BC	2386 BC	2385 BC	2384 BC	2383 BC	2382 BC	2381 BC	2380 BC
2370s BC	2379 BC	2378 BC	2377 BC	2376 BC	2375 BC	2374 BC	2373 BC	2372 BC	2371 BC	2370 BC
2360s BC	2369 BC	2368 BC	2367 BC	2366 BC	2365 BC	2364 BC	2363 BC	2362 BC	2361 BC	2360 BC
2350s BC	2359 BC	2358 BC	2357 BC	2356 BC	2355 BC	2354 BC	2353 BC	2352 BC	2351 BC	2350 BC
2340s BC	2349 BC	2348 BC	2347 BC	2346 BC	2345 BC	2344 BC	2343 BC	2342 BC	2341 BC	2340 BC
2330s BC	2339 BC	2338 BC	2337 BC	2336 BC	2335 BC	2334 BC	2333 BC	2332 BC	2331 BC	2330 BC
2320s BC	2329 BC	2328 BC	2327 BC	2326 BC	2325 BC	2324 BC	2323 BC	2322 BC	2321 BC	2320 BC
2310s BC	2319 BC	2318 BC	2317 BC	2316 BC	2315 BC	2314 BC	2313 BC	2312 BC	2311 BC	2310 BC
2300s BC	2309 BC	2308 BC	2307 BC	2306 BC	2305 BC	2304 BC	2303 BC	2302 BC	2301 BC	2300 BC
2290s BC	2299 BC	2298 BC	2297 BC	2296 BC	2295 BC	2294 BC	2293 BC	2292 BC	2291 BC	2290 BC

Centuries and Millennia

Millennium	Century
Before Christ / Before Common Era (BC/BCE)
4th:	40th	39th	38th	37th	36th	35th	34th	33rd	32nd	31st
3rd:	30th	29th	28th	27th	26th	25th	24th	23rd	22nd	21st
2nd:	20th	19th	18th	17th	16th	15th	14th	13th	12th	11th
1st:	10th	9th	8th	7th	6th	5th	4th	3rd	2nd	1st
Anno Domini / Common Era (AD/CE)
1st:	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th
2nd:	11th	12th	13th	14th	15th	16th	17th	18th	19th	20th
3rd:	21st	22nd	23rd	24th	25th	26th	27th	28th	29th	30th
4th:	31st

References

• Ancient Egypt: Beekeeping and wax

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