Information about 293

290 is the natural number after 289 and before 291.

In mathematics

The product of three primes, 290 is a sphenic number, and the sum of four consecutive primes (67 + 71 + 73 + 79). The sum of the squares of the divisors of 17 is 290.
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Upper Paleolithic
• 10th millennium BC | 9th millennium BC | 8th millennium BC
• 7th millennium BC | 6th millennium BC | 5th millennium BC

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The 2nd century is the period from 101 to 200 in accordance with the Julian calendar in the Christian Era. It is considered part of the Classical era, epoch, or historical period
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The 3rd century is the period from 201 to 300 in accordance with the Julian calendar in the Christian Era.

Overview

After the death of Commodus in the previous century the Roman Empire was plunged into a civil war.
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As a means of recording the passage of time, the 4th century (per the Julian/Gregorian calendar and Anno Domini era) was that century which lasted from 301 to 400.

Overview

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list of decades which have articles with more information about them.

During the twentieth century, it became popular to look at that century's decades as historical entities in themselves.
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Centuries: 2nd century - 3rd century - 4th century

230s 240s 250s - 260s - 270s 280s 290s
260 261 262 263 264
265 266 267 268 269

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Events and Trends

• Crisis of the Third Century

Significant people

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Centuries: 2nd century - 3rd century - 4th century

240s 250s 260s - 270s - 280s 290s 300s
270 271 272 273 274
275 276 277 278 279

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Events and Trends

• Crisis of the Third Century

Significant people

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Centuries: 2nd century - 3rd century - 4th century

250s 260s 270s - 280s - 290s 300s 310s
280 281 282 283 284
285 286 287 288 289

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Events and Trends

• Around 285 Saint Antony retired to a hermits life in the Egyptian desert.

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Centuries: 2nd century - 3rd century - 4th century

260s 270s 280s - 290s - 300s 310s 320s
290 291 292 293 294
295 296 297 298 299

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Events and Trends

Significant people

• Diocletian, Roman Emperor

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Centuries: 2nd century - 3rd century - 4th century

270s 280s 290s - 300s - 310s 320s 330s
300 301 302 303 304
305 306 307 308 309

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Events and Trends

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Centuries: 3rd century - 4th century - 5th century

280s 290s 300s - 310s - 320s 330s 340s
310 311 312 313 314
315 316 317 318 319

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Events and Trends

Significant people

• Constantine, Roman Emperor

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Centuries: 3rd century - 4th century - 5th century

290s 300s 310s - 320s - 330s 340s 350s
320 321 322 323 324
325 326 327 328 329

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Events and Trends

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This page indexes the individual years pages.

Twenty-first century

2100 - 2099 - 2098 - 2097 - 2096 - 2095 - 2094 - 2093 - 2092 - 2091

2090 - 2089 - 2088 - 2087 - 2086 - 2085 - 2084 - 2083 - 2082 - 2081

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3rd century - 4th century
260s  270s  280s  - 290s -  300s  310s  320s
287 288 289 - 290 - 291 292 293
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3rd century - 4th century
260s  270s  280s  - 290s -  300s  310s  320s
288 289 290 - 291 - 292 293 294
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3rd century - 4th century
260s  270s  280s  - 290s -  300s  310s  320s
289 290 291 - 292 - 293 294 295
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3rd century - 4th century
260s  270s  280s  - 290s -  300s  310s  320s
291 292 293 - 294 - 295 296 297
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3rd century - 4th century
260s  270s  280s  - 290s -  300s  310s  320s
292 293 294 - 295 - 296 297 298
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3rd century - 4th century
260s  270s  280s  - 290s -  300s  310s  320s
293 294 295 - 296 - 297 298 299
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Kush - Yesbokheamani, King of Kush (283-300)

Asia

• Armenia - Tiridates III, King of Armenia (283-330)
• China (Western Jin Dynasty) - Emperor Hui, Emperor of China (290-307)
• Gupta Empire

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Gregorian calendar is the most widely used calendar in the world. A modification of the Julian calendar, it was first proposed by the Calabrian doctor Aloysius Lilius, and was decreed by Pope Gregory XIII, for whom it was named, on 24 February 1582 via the papal bull
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Ab Urbe condita (literally, "from the city, having been founded") is a monumental history of Rome, from its legendary founding (ab Urbe condita, dated to 753 BC by Varro and most modern scholars). The book was written by Titus Livius (around 59 BC–AD 17).
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Armenian calendar uses the Armenian numerals. It begins in AD 552 as the start of the Armenian era.

Dates are marked by the letters ԹՎ
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Buddhist calendar is used on mainland Southeast Asia in the countries of Cambodia, Laos, Thailand, Myanmar (formerly Burma) and Sri Lanka in several related forms. It is a lunisolar calendar having months that are alternately 29 and 30 days, with an intercalated day and a 30-day
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Chinese calendar is a lunisolar calendar, incorporating elements of a lunar calendar with those of a solar calendar. In China today, the Gregorian calendar is used for most day to day activities, but the Chinese calendar is still used for marking traditional Chinese holidays such
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The Chinese sexagenary cycle (Chinese: 干支; Pinyin: gānzhī) is a cyclic numeral system of 60 combinations of the two basic cycles, the ten Heavenly Stems (天干;
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The Chinese sexagenary cycle (Chinese: 干支; Pinyin: gānzhī) is a cyclic numeral system of 60 combinations of the two basic cycles, the ten Heavenly Stems (天干;
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Coptic calendar, also called the Alexandrian calendar, is used by the Coptic Orthodox Church. This calendar is based on the ancient Egyptian calendar. To avoid the calendar creep of the latter, a reform of the ancient Egyptian calendar was introduced at the time of Ptolemy
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Ethiopian calendar (Amharic: የኢትዮጵያ ዘመን አቆጣጠር ye'Ītyōṗṗyā zemen āḳoṭaṭer), also called the
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