William F. Albright dated his reign to 869 – 850 BC, while E. R. Thiele offered the dates 874 – 853 BC.

Michael D. Coogan dates his reign to 871 – 852 BCE.

The jewel certainly dates from Alfred's reign.

Bede follows Gildas ' account of Ambrosius in his Ecclesiastical History of the English People, but in his Chronica Majora he dates Ambrosius ' victory to the reign of the Emperor Zeno ( 474 – 491 ).

The passage in Jeremiah dates from the fourth year of the reign of Jehoiakim ( 604 BC ), and therefore Obadiah 11-14 seems to refer to the destruction of Jerusalem by Nebuchadnezzer ( 586 BC ).

All dates are for seniority, not reign.

The Chronicle dates Cerdic's arrival to 495, but adding up the lengths of the reigns as given in the West Saxon Genealogical Regnal List, leads to the conclusion that Cerdic's reign might have started in 532, a difference of 37 years.

A recent detailed study of the Regnal List dates the arrival of the West Saxons in England to 538, and favours seven years as the most likely length of Ceawlin's reign, with dates of 581 – 588 proposed.

Putting together the different dates in the Chronicle for birth, death, and length of reign, it appears that Æthelberht ’ s reign was thought to have been either 560 – 616, or 565 – 618, but that the surviving sources have confused the two traditions.

While his accession is traditionally dated to 660 BC, no historically firm dates can be assigned to this early emperor's life or reign, nor to the reigns of his early successors.

The reign of Emperor Kimmei ( 509 ?– 571 AD ), the 29th emperor of Japan according to the traditional order of succession, is the first for which contemporary historiography is able to assign verifiable dates.

The conventionally accepted names and dates of the early emperors were not to be confirmed as " traditional " until the reign of Emperor Kammu ( 737 – 806 ), the 50th sovereign of the Yamato dynasty.

The reign of Emperor Kimmei ( 509 – 571 ), the 29th emperor of Japan according to the traditional order of succession, is the first for which contemporary historiography are able to assign verifiable dates ; however, the conventionally accepted names and dates of the early emperors were not to be confirmed as " traditional " until the reign of Emperor Kammu ( 737 – 806 ), the 50th sovereign of the Yamato dynasty.

The reign of Emperor Kimmei ( 509 ?– 571 ), the 29th emperor of Japan according to the traditional order of succession, is the first for which contemporary historiography are able to assign verifiable dates ; however, the conventionally accepted names and dates of the early emperors were not to be confirmed as " traditional " until the reign of Emperor Kammu ( 737 – 806 ), the 50th sovereign of the Yamato dynasty.

No firm dates can be assigned to this emperor's life or reign, but he is conventionally considered to have reigned from 475 to 393 BC, but he may have lived in the early 1st century.

The reign of Emperor Kimmei ( 509 ?– 571 ), the 29th emperor of Japan according to the traditional order of succession, is the first for which contemporary historiography are able to assign verifiable dates ; however, the conventionally accepted names and dates of the early emperors were not to be confirmed as " traditional " until the reign of Emperor Kammu ( 737 – 806 ), the 50th sovereign of the Yamato dynasty.

The exact dates of his life are not known, but astronomical observations attributed to him by Ptolemy date from 147 BC to 127 BC.

Ptolemy, the Alexandrian astronomer ( 2nd century ) wrote a treatise, Phaseis —" phases of fixed stars and collection of weather-changes " is the translation of its full title — the core of which is a parapegma, a list of dates of seasonally regular weather changes, first appearances and last appearances of stars or constellations at sunrise or sunset, and solar events such as solstices, all organized according to the solar year.

Although no sources for the dates of his life and death remain, his work is usually associated with the reigns of Ptolemy I Soter ( 323-283 BC ) and Ptolemy II Philadelphus ( 285-246 BC ).

The Lebor Gabála dates Cobthach's death and Labraid's accession to Christmas Eve, 307 BC, and also synchronises his reign to that of Ptolemy III Euergetes ( 246-222 BC ).

Since the Turin King-list was a later New Kingdom document from the reign of Ramesses II while the Manetho's Epitome dates from the 3rd century BC under Ptolemy II, Khau-Ptah's contemporary account can be regarded as a more accurate reading of the political situation during the 5th dynasty.

* The evection ( or its approximation ) was known to Ptolemy, but its name and knowledge of its cause dates from the 17th century.

The magnitude system dates back roughly 2000 years to the Greek astronomer Hipparchus ( or the Alexandrian astronomer Ptolemy — references vary ) who classified stars by their apparent brightness, which they saw as size (“ magnitude means bigness ”).

If precise dates are required, the beginning may be set in 802 AD, when the founder of the Khmer Empire, Jayavarman II pronounced himself universal monarch ( chakravartin ) and declared independence from Java, and the end may be set in 1431 AD, when Thai invaders from the kingdom of Ayutthaya sacked Angkor and caused the Khmer elite to migrate to Phnom Penh.

Examples include Cairn Holy I and Cairn Holy II near Newton Stewart, a cairn at Port Charlotte, Islay, which dates to 3900-4000 BC, and Monamore, or Meallach's Grave, Arran, which may date from the early fifth millennium BC.

For Spain, dates commonly used are the death of King Ferdinand II in 1516, the death of Queen Isabella I of Castile in 1504, or the conquest of Granada in 1492.

The latest certain dates for the use of papyrus are 1057 for a papal decree ( typically conservative, all papal " bulls " were on papyrus until 1022 ), under Pope Victor II, and 1087 for an Arabic document.

The oldest existing part of the Palace ( Westminster Hall ) dates from the reign of William I's successor, King William II.

Though UFO sightings have occurred throughout recorded history, modern interest in them dates from World War II ( see foo fighter ), further fueled in the late 1940s by Kenneth Arnold's report of a close encounter, which led to coining of the term flying saucer, and the Roswell UFO Incident.

Other starting dates sometimes used for World War II include the Italian invasion of Abyssinia on 3 October 1935.

The development of the M18A1 mine dates back to work done during World War II.

Neither of the names of the great kings are stated ; the Hittite king could be either Muwatalli II or his brother Hattusili III, which at least dates the letter to LHIIIB by Mycenaean standards.

" Bull ", meaning nonsense, dates from the 17th century, while the term " bullshit " has been used as early as 1915 in American slang, and came into popular usage only during World War II.

The one at the Falcomatà Seaside dates to the 5th-4th century BC and is attributed to the city's reconstruction by Dionysius II of Syracuse.

Neither the names Xerxes II nor Sogdianus occur in the dates of the numerous Babylonian tablets from Nippur ; here effectively the reign of Darius II follows immediately after that of Artaxerxes I.

It is unclear whether this innovation, seemingly drafted by Archbishop Wulfstan II, dates from Æthelred's reign.

The most recent dates for Independence II artifacts are from the second or 1st century BC.

The region's reputation for wine production dates back to the Middle Ages when Pope Urban II, a native Champenois, declared that the wine of Aÿ in the Marne département was the best wine produced in the world.

Carved on a black stone, The Tower of Babel Stele ( as it is known ) dates from 604-562 BC, the time of Nebuchadnezzar II.

It is inscribed on the door posts of the main Hukuru Miskiy ( Friday mosque ) of the island and dates back to 1008 AH ( AD 1599 ) and 1020 AH ( AD 1611 ) when the roof of the building were built and the renewed during the reigns of Ibrahim Kalaafaan ( Sultan Ibrahim III ) and Hussain Faamuladeyri Kilege ( Sultan Hussain II ) respectively.

Karaite Jews also maintain that Rabbinic Jews are not observing Jewish holy days on their correct date, because the dates are fixed according to the pre-calculated Hillel II calendar, instead of beginning each month with the sighting of the New Moon from the horizon of Israel, and starting the year during the month when the barley reaches the stage of Aviv in the land of Israel.

The first record of medieval settlement dates to 1179, when it is recorded that King Henry II " had bought land for the making of buildings ".

As these target dates were missed, the Phase I process was later commenced on 1 November 2002, with Phase II and III beginning on 16 November 2003 and 21 February 2004 respectively.

An early recorded use of foreign auxiliaries dates back to Ancient Egypt, the thirteenth century BC, when Pharaoh Ramesses II used 11, 000 mercenaries during his battles.

The crown dates from at least 1540 and the sceptre and the sword were gifts by Pope Alexander VI and Pope Julius II respectively to the King of Scotland in the 15th and 16th centuries.

The 14th-century English cookbook, the Forme of Cury, contains recipes for these, and dates from the royal court of Richard II.