260 (two hundred [and] sixty) is the magic constant of the n×n normal magic square and n-Queens Problem for n = 8, the size of an actual chess board. ... These pages contain the trends of millennia and centuries. ... The 2nd century is the period from 101 - 200 in accordance with the Julian calendar in the Christian Era. ... // Overview Events 212: Constitutio Antoniniana grants citizenship to all free Roman men 212-216: Baths of Caracalla 230-232: Sassanid dynasty of Persia launches a war to reconquer lost lands in the Roman east 235-284: Crisis of the Third Century shakes Roman Empire 250-538: Kofun era, the first... As a means of recording the passage of time, the 4th century was that century which lasted from 301 to 400. ... This is a list of decades which have articles with more information about them. ... Centuries: 2nd century - 3rd century - 4th century Decades: 180s - 190s - 200s - 210s - 220s - 230s - 240s - 250s - 260s - 270s - 280s Years: 230 231 232 233 234 235 236 237 238 239 Events Alexander Severus is slain in a mutiny led by Maximinus Thrax, ending the Severan Dynasty and beginning (what many... Centuries: 2nd century - 3rd century - 4th century Decades: 190s - 200s - 210s - 220s - 230s - 240s - 250s - 260s - 270s - 280s - 290s Years: 240 241 242 243 244 245 246 247 248 249 Events Crisis of the Third Century Significant people Gordian III, Roman Emperor Philip the Arab, Roman Emperor Categories: 240s ... Centuries: 2nd century - 3rd century - 4th century Decades: 200s - 210s - 220s - 230s - 240s - 250s - 260s - 270s - 280s - 290s - 300s Years: 250 251 252 253 254 255 256 257 258 259 Events Crisis of the Third Century End of Yayoi era and beginning of Kofun period, the first part of the... Centuries: 2nd century - 3rd century - 4th century Decades: 210s - 220s - 230s - 240s - 250s - 260s - 270s - 280s - 290s - 300s - 310s Years: 260 261 262 263 264 265 266 267 268 269 Events Crisis of the Third Century Significant people Gallienus, Roman Emperor Claudius II, Roman Emperor Categories: 260s ... Centuries: 2nd century - 3rd century - 4th century Decades: 220s - 230s - 240s - 250s - 260s - 270s - 280s - 290s - 300s - 310s - 320s Years: 270 271 272 273 274 275 276 277 278 279 Events Crisis of the Third Century Significant people Aurelian, Roman Emperor Marcus Claudius Tacitus, Roman Emperor Probus, Roman Emperor Categories... Centuries: 2nd century - 3rd century - 4th century Decades: 230s - 240s - 250s - 260s - 270s - 280s - 290s - 300s - 310s - 320s - 330s Years: 280 281 282 283 284 285 286 287 288 289 Significant people Diocletian, Roman Emperor Maximian, Roman Emperor Categories: 280s ... Centuries: 2nd century - 3rd century - 4th century Decades: 240s - 250s - 260s - 270s - 280s - 290s - 300s - 310s - 320s - 330s - 340s Years: 290 291 292 293 294 295 296 297 298 299 300 Significant people Diocletian, Roman Emperor Maximian, Roman Emperor Categories: 290s ... This page indexes the individual years pages. ... Events Wei Yuandi abdicates, end of the China. ... Events Ireland - Rule of High King Cormac mac Airt ends (approximate) Births Deaths Categories: 266 ... Events Goths launch one of the first major barbarian invasions of the Roman Empire. ... Events Felix I is elected pope. ... Events Quintillus briefly holds power over the Roman Empire, and is succeeded by Aurelian Vandals and Sarmatians driven out of Roman territory Romans leave Utrecht after regular invasions of Germanic people. ... Events Goths forced to withdraw across the Danube Roman Emperor Aurelian withdraws troops to the Danube frontier, abandoning Dacia. ... 267 state leaders - Events of 268 - 269 state leaders - State leaders by year See also: List of religious leaders in 268 Africa Kush - Malegorobar, King of Kush (266-283) Asia Bactria and Gandhara - Hormizd I, Kushanshah (c. ... For the calendar of religious holidays and periods, see liturgical year. ... Ab urbe condita (related with Anno urbis conditae: AUC or a. ... The Armenian calendar uses the Armenian numerals. ... The Baháí calendar, also called the Badí‘ calendar, used by the Baháí Faith, is a solar calendar with regular years of 365 days, and leap years of 366 days. ... The Buddhist calendar is used on mainland southeast Asia in the countries of Cambodia, Laos, Thailand, and Myanmar (formerly Burma) in several related forms. ... The Chinese calendar is a lunisolar calendar, incorporating elements of a lunar calendar with those of a solar calendar. ... The Chinese sexagenary cycle (Chinese: ; pinyin: ) is a cyclic numeral system of 60 combinations of the two basic cycles, the ten Heavenly Stems (天干; tiāngān) and the twelve Earthly Branches (地支; dìzhī). These have been traditionally used as a means of numbering days and years, not only in China... The Chinese sexagenary cycle (Chinese: ; pinyin: ) is a cyclic numeral system of 60 combinations of the two basic cycles, the ten Heavenly Stems (天干; tiāngān) and the twelve Earthly Branches (地支; dìzhī). These have been traditionally used as a means of numbering days and years, not only in China... The Coptic calendar, also called the Alexandrian calendar, is used by the Coptic Orthodox Church. ... The Ethiopian calendar (Amharic: የኢትዮጵያ ዘመን አቆጣጠር ), also called the Geez calendar, is the principal calendar used in Ethiopia and is also the liturgical year of Christians in Eritrea belonging to the Eritrean Orthodox Tewahdo Church, Eastern Catholic Church of Eritrea and Lutheran (Evangelical Church of Eritrea), where it is commonly known... The Hebrew calendar (‎) or Jewish calendar is the calendar used by Jews for religious purposes. ... A page from the Hindu calendar 1871-72. ... There is disagreement as to the meaning of the Indian word Samvat. ... The Indian national calendar (sometimes called Saka calendar) is the official civil calendar in use in India. ... Kali Yuga is also the title of a book by Roland Charles Wagner. ... H.E. redirects here. ... The Iranian calendar (Persian: ) also known as Persian calendar or the Jalāli Calendar is a solar calendar currently used in Iran and Afghanistan. ... The Islamic calendar or Muslim calendar (Arabic: التقويم الهجري; at-taqwīm al-hijrī; Persian: تقویم هجري قمری ‎ taqwīm-e hejri-ye qamari; also called the Hijri calendar) is the calendar used to date events in many predominantly Muslim countries, and used by Muslims everywhere to determine the proper day on which to celebrate... Koinobori, flags decorated like koi, are popular decorations around Childrens Day This mural on the wall of a Tokyo subway station celebrates Hazuki, the eighth month. ... It has been suggested that this article or section be merged with Japanese era name. ... The Julian calendar was a reform of the Roman calendar which was introduced by Julius Caesar in 46 BC and came into force in 45 BC (709 ab urbe condita). ... The traditional Korean calendar is directly derived from the Asian calendar. ... The Thai solar, or Suriyakati (สุริยคติ), calendar is used in traditional and official contexts in Thailand, although the Western calendar is sometimes used in business. ...

Events

By Place

Roman Empire

• September - Gallienus, aided by Aurelian, defeats the Goths at the Battle of Naissus.
• Gallienus is killed by his troops outside Milan.
• Claudius II becomes Emperor.
• The Alamanni invade Italy.
• November - Claudius II defeats the Alamanni at the Battle of Lake Benacus.
• The Visigoths first appear as a distinct people.

This article does not cite any references or sources. ... Gallienus depicted on a lead seal Publius Licinius Egnatius Gallienus (218-268) ruled the Roman Empire as co-emperor with his father Valerian from 253 to 260, and then as the sole Roman Emperor from 260 to 268. ... Lucius Domitius Aurelianus[1] (September 9, 214–September 275), known in English as Aurelian, Roman Emperor (270–275), was the second of several highly successful soldier-emperors who helped the Roman Empire regain its power during the latter part of the third century and the beginning of the fourth. ... This article is about the Germanic tribes. ... Combatants Roman Empire Goths Commanders Gallienus Aurelius Claudius (commander in chief) Domitius Aurelianus (cavalry commander) Strength unknown unknown Casualties unknown 30,000 to 50,000 The Battle of Naissus took place in September of 268 between the armies of the Goths and forces of the Roman Empire, led by Emperor... Type Anti-tank Nationality Joint France/Germany Era Cold War, modern Launch platform Individual, Vehicle Target Vehicle, Fortification History Builder MBDA, Bharat Dynamics (under license) Date of design 70s Production period since 1972 Service duration since 1972 Operators 41 countries Variants MILAN 1, MILAN 2, MILAN 2T, MILAN 3, MILAN... Claudius Gothicus on a coin celebrating his equity (AEQUITAS AUGUSTI). ... Area settled by the Alamanni, and sites of Roman-Alamannic battles, 3rd to 6th century The Alamanni, Allemanni, or Alemanni were originally an alliance of west Germanic tribes located around the upper Main, a river that is one of the largest tributaries of the Rhine, on land that is today... For other uses, see November (disambiguation). ... Combatants Roman Empire Alamanni Commanders Claudius II Strength 35,000 100,000 Casualties 50,000 The Battle of Lake Benacus was one of the decisive battles that marked the beginning of the Roman Empires emergence from the Crisis of the Third Century. ... Migrations The Visigoths (Western Goths) were one of two main branches of the Goths, an East Germanic tribe (the Ostrogoths being the other). ...

Europe

• Victorinus becomes the fourth Emperor of the Gallic Empire, following the murders of his predecessors.

Marcus Piav(v)onius Victorinus was emperor of the successionist Gallic Empire from 268 to 270 or 271, following the brief reign of Marius. ... An emperorrefers to Nick Herringshaw, a title, empress may only indicate the wife of an emperor (empress consort. ... The Gallic Empire (in Latin, imperium Galliarum) is the modern name for the independent realm that lived a brief existence during the Roman Empires Crisis of the Third Century, from 260 to 274. ...

Births

Deaths

• September — Gallienus, Roman Emperor
• December 26 — Pope Dionysius
• Postumus, ruler of the Gallic Empire (killed by army)
• Laelianus, ruler of the Gallic Empire (killed by army)
• Marcus Aurelius Marius, ruler of the Gallic Empire (killed by army)
• Empress Dowager Wang Yuanji, wife of Sima Zhao