In Constantinople around 400 AD the empress Aelia Eudoxia had a eunuch choir-master, Brison, who may have established the use of castrati in Byzantine choirs, though whether Brison himself was a singer, and whether he had colleagues who were eunuch singers, is not certain.

Even though Rome abandoned its Britannic provinces around 400 AD, the Germanic mercenarieswho had largely become instrumental in enforcing Roman rule in Britanniaacquired ownership of land there and continued to use a mixture of Roman and Teutonic Law, with much written down under the early Anglo-Saxon Kings.

By AD 400, most of the constellation never rose above the horizon for Athenians.

The chocolate residue found in an early ancient Maya pot in Río Azul, Guatemala, suggests the Maya were drinking chocolate around 400 AD.

All Christian monasticism stems, either directly or indirectly, from the Egyptian example: Saint Basil the Great Archbishop of Caesaria of Cappadocia, founder and organizer of the monastic movement in Asia Minor, visited Egypt around AD 357 and his rule is followed by the Eastern Orthodox Churches ; Saint Jerome who translated the Bible into Latin, came to Egypt, while en route to Jerusalem, around AD 400 and left details of his experiences in his letters ; Benedict founded the Benedictine Order in the 6th century on the model of Saint Pachomius, but in a stricter form.

The classicist Roger Bagnall estimated that there was one bureaucrat for every 5 – 10, 000 people in Egypt based on 400 or 800 bureaucrats for 4 million inhabitants ( no one knows the population of the province in 300 AD ; Strabo 300 years earlier put it at 7. 5 million, excluding Alexandria ).

The Mare nostrum, surrounded by Roman Empire | Roman territory in c. 400 AD.

Epirus Nova, 400 AD

As on other Line Islands there might have been a small or temporary native population, most probably Polynesian traders and settlers, who would have found the island a useful replenishing station on the long voyages from the Society Islands to Hawaiʻi, perhaps as early as AD 400.

* The Meroitic period was approximately 300 BC to 400 AD.

AD 400

Saint Jerome and his colleagues, who produced the Vulgate translation of the Bible into Latin, developed an early system ( circa 400 AD ); this was considerably improved on by Alcuin.

The Whitecleuch Chain, high status Pictish Silver chain, one of ten known to exist, dating from between 400 and 800 AD

A famous example is the Iron Pillar of Delhi, erected by order of Kumara Gupta I around AD 400.

Around AD 400, the dissident group split off from Vulcan society and began the long journey to the planets Romulus and Remus.

Romulus had no sentient species until a revolutionary Vulcan movement colonized it around 400 AD.

Around 400 AD, the dissident group split off from Vulcan society and began the long journey to the planet Romulus.

They are variants of Apodemus sylvaticus and archaeological evidence suggests that this species was present during the Middle Iron Age ( around 200 BC to AD 400 ).

For another 400 years, until AD 410, the Kushan Empire was a major power in the region along with the Roman Empire, the Parthian Empire and the Han Empire ( China ).

In AD 400, Augustine quotes Cyprian ( AD 200 ): " For as Christ says ' I am the true vine ,' it follows that the blood of Christ is wine, not water ; and the cup cannot appear to contain His blood by which we are redeemed and quickened, if the wine be absent ; for by the wine is the blood of Christ typified, ..."

According to The Life and Times of Scrooge McDuck, the castle was built in 400 AD, as portrayed in the unpublished first draft sketches.

The biography dates from around 400 AD.

Syllabaries typically contain 50 to 400 glyphs ( though the Múra-Pirahã language of Brazil would require only 24 if it did not denote tone, and Rotokas would require only 30 ), and the glyphs of logographic systems typically number from the many hundreds into the thousands.

2, No. 4 ( Oct., 1941 ), pp. 391 – 400 in JSTOR

The diversity of animals in the Andes is high, with almost 600 species of mammals ( 13 % endemic ), more than 1, 700 species of birds ( about 1 / 3 endemic ), more than 600 species of reptile ( about 45 % endemic ), and almost 400 species of fish ( about 1 / 3 endemic ).

She was married in 515 to Eutharic ( c. 480 – 522 ), an Ostrogoth noble of the old Amal line, who had previously been living in Visigothic Hispania, son of Widerich ( born c. 450 ), grandson of Berismund ( born c. 410 ), and great-grandson of Thorismund ( died after 400 ), King of the Ostrogoths c. 400.

After the settlement of the Israelites in Canaan, the Ark remained in the Tabernacle at Gilgal for a season before being removed to Shiloh until the time of Eli, between 300 and 400 years ( Jeremiah 7: 12 ), when it was carried into the field of battle, so as to secure, as they had hoped, victory to the Hebrews.

Blindness is defined as visual acuity of less than 20 / 400 ( 6 / 120 ), or corresponding visual field loss to less than 10 degrees, in the better eye with best possible correction.

The IISS estimated in 2011-12 that Burkina Faso had 6, 400 personnel in the Armee de Terre in three military regions, one tank battalion ( two tank platoons ), five infantry regiments that may be understrength, and an airborne regiment.

After expressing his interest to play in the 2011 fourth edition of the Indian Premier League ( IPL ), and despite not having have played active cricket for four years, Brian Lara still managed to attract the highest reserve price of $ 400, 000 ahead of the IPL players ' auction in early January 2011 ; however, no franchise bought him.

Fifty years after the opening of the gallery, the BJU collection included more than 400 European paintings from the 14th to through the 19th centuries ( mostly pre-19th century ), period furniture, and a notable collection of Russian icons.

The Diamond, in tight formation and usually at lower speeds ( 400 mph ), performs maneuvers such as formation loops, barrel rolls, and transitions from one formation to another.

* Balance ( advertisement ), a 1989 award-winning television advertisement for the Lexus LS 400

About 40 % of all described insect species are beetles ( about 400, 000 species ), and new species are discovered frequently.

Beetles are by far the largest orders of insects, with 350, 000 – 400, 000 species in four suborders ( Adephaga, Archostemata, Myxophaga, and Polyphaga ), making up about 40 % of all insect species described.

Earnhardt was very consistent, scoring four wins, and after Ernie Irvan was sidelined due to a near-deadly crash at Michigan ( the two were neck-and-neck at the top of the points up until the crash ), won title by over 400 points over Mark Martin.

The epithet is connected with dolphins ( Greek δελφίς ,- ῖνος ) in the Homeric Hymn to Apollo ( line 400 ), recounting the legend of how Apollo first came to Delphi in the shape of a dolphin, carrying Cretan priests on his back.

Immigrant languages include Omani Arabic ( 38, 900 speakers ), Amharic ( 1, 400 speakers ), Greek ( 1, 000 speakers ) and Hindi ( 600 speakers ).

In September 1812, Russia had about 904, 000 enlisted men in its land forces, and between 1799 and 1815 a total of 2. 1 million men served in the Russian army, with perhaps 400, 000 serving from 1792 to 1799.

* 2010 – 2010 China floods: A mudslide in Zhugqu County, Gansu, China, kills more than 1, 400 people.

* 1986 – A fire at the Central library of the City of Los Angeles Public Library damages or destroys 400, 000 books and other items.

448 – 400 BC ) was an Athenian tragic poet whose works have been lost.

Agesilaus II, or Agesilaos II () ( 444 BC – 360 BC ) was a king of Sparta, of the Eurypontid dynasty, ruling from approximately 400 BC to 360 BC, during most of which time he was, in Plutarch's words, " as good as thought commander and king of all Greece ," and was for the whole of it greatly identified with his country's deeds and fortunes.

Presently there remain only approximately 400 – 450 indigenous Andamanese.

* 1865 – The steamboat, carrying 2, 400 passengers, explodes and sinks in the Mississippi River, killing 1, 700, most of whom are Union survivors of the Andersonville and Cahaba Prisons.

410 – 400 BC, from Ruvo ( South Italy ).

Bluetooth uses a radio technology called frequency-hopping spread spectrum, which chops up the data being sent and transmits chunks of it on up to 79 bands ( 1 MHz each ; centered from 2402 to 2480 MHz ) in the range 2, 400 – 2, 483. 5 MHz ( allowing for guard bands ).

* Cessna 400 – a turbo-charged variant of the Cessna 350, in production since 2004

Chagas disease affects eight to 10 million people living in endemic Latin American countries, with an additional 300, 000 – 400, 000 living in nonendemic countries, including Spain and the United States.

Many of the mountains are large shield volcanoes that range in size from 150 – 400 km in diameter and 2 – 4 km high.

* 1988 – Spitak Earthquake: In Armenia an earthquake measuring 6. 9 on the Richter scale kills nearly 25, 000, injures 15, 000 and leaves 400, 000 homeless.

* 2008 – Lord's Resistance Army, a Ugandan rebel group, begins a series of attacks on Democratic Republic of the Congo, massacring more than 400.

Following the fall of the Shah of Iran and the Iran Hostage Crisis in 1979 – 1980, the West became concerned with ensuring the flow of oil from the Persian Gulf through the Strait of Hormuz, and the US received permission for a $ 400 million expansion of the military facilities on Diego Garcia consisting of two parallel runways, expansive parking aprons for heavy bombers, 20 new anchorages in the lagoon, a deep water pier, port facilities for the largest naval vessels in the US or British fleet, aircraft hangars, maintenance buildings and an air terminal, a fuel storage area, and billeting and messing facilities for thousands of sailors and support personnel.

* 1997 – In the worst incident in Algeria's insurgency, the Wilaya of Relizane massacres, 400 people from four villages are killed.

* 2006 – The Indonesian passenger ferry sinks in a storm, resulting in at least 400 deaths.

* 400 – Language

* 1907 – The worst night of the Brown Dog riots in London, when 1, 000 medical students clash with 400 police officers over the existence of a memorial for animals who have been vivisected.

Environment – current issues: air heavily polluted with sulfur dioxide from oil-shale burning power plants in northeast ; contamination of soil and groundwater with petroleum products, chemicals at former Soviet military bases ; Estonia has more than 1, 400 natural and artificial lakes, the smaller of which in agricultural areas are heavily affected by organic waste ; coastal sea water is polluted in many locations.