When Christianity was legalized under Constantine the Great and Licinius, formal church buildings were built in great numbers, normally with free-standing altars in the middle of the sanctuary, which in all the earliest churches built in Rome was at the west end of the church.

When he repeated this with another invasion, this time by the Goths who were pillaging Thrace, Licinius complained that Constantine had broken the treaty between them.

When Bulgaria entered the war as a German ally in October 1915, Venizelos invited Entente forces into Greece ( the Salonika Front ), for which he was again dismissed by Constantine.

When Constantine converted to Christianity the majority of his subjects were still pagans and the Roman Imperial cult of the divinity of the emperor, expressed through the traditional burning of candles and the offering of incense to the emperor ’ s image, was tolerated for a period because it would have been politically dangerous to attempt to suppress it.

When the polar bear was originally documented, two subspecies were identified: Ursus maritimus maritimus by Constantine J. Phipps in 1774, and Ursus maritimus marinus by Peter Simon Pallas in 1776.

When Constantius died in 306, Galerius promoted Severus to Augustus while Constantine the Great was proclaimed Augustus to succeed his father Constantius, by his father's troops.

When Basil II died on 15 December 1025, Constantine finally became sole emperor, although he ruled for less than three years before his own death on 11 November 1028.

When Constantius died on 25 July 306, his father's troops proclaimed Constantine as Augustus in Eboracum ( York ).

When his brother, Emperor John VIII Palaiologos, died childless, a dispute erupted between Constantine and his brother Demetrios Palaiologos over the throne.

When Justin died in 578, Tiberius succeeded him as Tiberius II Constantine.

When they threatened the position of Constantine VII, however, the people of Constantinople revolted, and Stephen and Constantine were likewise stripped of their imperial rank and sent into exile to their father.

When Constantine V died in September 775, Leo was to succeed to the throne at the age of twenty-five years.

When Constantine X died in 1067, Michael VII was 17 years old and should have been able to rule by himself.

When the empire became Christian under Constantine I, they were given permission to enter the city once a year, on the ninth day of the month of Av, to lament the loss of the Temple at the wall.

When Constantius died in 306, his son Constantine was crowned emperor on July 25 and subsequently accepted by Galerius into the tetrarchy as Caesar.

When his uncle was summoned to Constantinople to tutor one of the sons of emperor Constantine I, Ausonius accompanied him to the capital.

When Stefanopoulos resigned in frustration, Constantine appointed a caretaker government under Ioannis Paraskevopoulos, which called elections for May 1967.

When Alexander I died following an infection from a monkey bite in 1920, Venezelos was voted out of office, and a plebiscite restored Constantine to the throne.

When the Turks defeated Greece at the Battle of Dumlupınar, the military forced the abdication of Constantine, and George succeeded to the Greek throne on 27 September 1922.

When World War I broke out, Constantine was faced with the difficulty of determining where Greece's support lay.

When Grand Duke Constantine died that month, Michael was the only member of the imperial family absent from the funeral in Petrograd.

When Tsar Alexander I died on, the royal guards swore allegiance to the presumed heir, Alexander's brother Constantine.

When Constantine made his renunciation public, and Nicholas stepped forward to assume the throne, the Northern Society acted.

When his eyes began to focus, he saw Jess charging at him with a pitchfork.

When he was eight he began violin lessons.

When Johnny Mercer and Harold Arlen began their collaboration in 1940, Mercer, like Arlen, had several substantial film songs to his credit, among them `` Hooray For Hollywood '', `` Ride, Tenderfoot, Ride '', `` Have You Got Any Castles, Baby??

When Thompson and her daughter began a correspondence which included fervent verses from Pantasaph, Mrs. King felt a proper Victorian alarm.

When the young biologist, Dr. Ballard, began to show interest in our daughter Elizabeth, this induced a corresponding interest, on our part, in him.

When the negotiations began, his quarrel with the king of France was temporarily in abeyance, and he had no intention of reviving it so long as there was hope that French money would come to pay the troops who, under Charles of Valois, the papal vicar of Tuscany, were so valuable in the crusade against the Colonna cardinals and their Sicilian allies.

When the algae began to build up again, the effluent BOD rose.

When the Korean war began, on June 25, 1950, the anniversary of the day Custer had gone down fighting at the Little Big Horn and the day the regiment had assaulted the beachhead of Leyte during World War 2,, the 7th Cavalry was not in the best fighting condition.

When the winter tour began at Los Angeles last January there was no one in sight to challenge Palmer's towering prestige.

When dam construction began in 1933, fewer than 600 boats used these waters ; ;

When a fisherman brought her up in his arms, still, small, as if she were a child asleep, I began to shudder with a terrible excitement, almost triumphant, that I still cannot account for.

When it became apparent that Johnson would lose his seat, an effort began by ally George W. Jones to put forward Johnson's name for governor.

When people started to study scientifically how to fly, people began to understand the basics of air and aerodynamics.

When blacks began singing adapted versions of these hymns, they were called Negro spirituals.

When the North Tower was struck at 8: 46 a. m., many executives began evacuating their employees from the upper floors of the South Tower.

When Sultan Murad V began to show signs of paranoia, madness and continuous fainting and vomiting even on the day of his coronation and threw himself into a pool yelling at his guards to protect his life, they were afraid the public would become outraged and revolt to bring the former Sultan back.

When emulators of 1980s video game consoles began to appear on home computers in the late 1990s, the Atari 7800 was one of the last to be emulated.

When the original digital signature generating software was turned over to the Atari community, development of new Atari 7800 titles began.

When the trade association began, it had seven members and its main goal was to eliminate all duties and restrictions on the majority of their trade within 12 years.

Beethoven's friend Anton Schindler, later said: " When he started working on the fourth movement the struggle began as never before.

When pro-reform forces came into power in the spring 1997, an ambitious economic reform package, including introduction of a currency board regime, was agreed to with the International Monetary Fund and the World Bank, and the economy began to stabilise.

When pro-reform forces came into power in the spring 1997, an ambitious economic reform package, including introduction of a currency board regime, was agreed to with the International Monetary Fund and the World Bank, and the economy began to stabilise.

When Hitler's chief engineer, Fritz Todt, began opening the new autobahn ( highways ) in 1935, many of the bridges and service stations were " bold examples of modernism " – among those submitting designs was Mies van der Rohe.

When Selig was only three, Marie began taking him and his older brother, Jerry, to Borchert Field, where the minor league Milwaukee Brewers played.

When the Luftwaffe began bombing Moscow, Pasternak immediately began to serve as a fire warden on the roof of the writer's building on Lavrushinski Street.