When populations were quickly decreased by causes such as the Black Death or devastating warfare ( for example, Genghis Khan's Mongol hordes in eastern and central Europe, Thirty Years ' War in Germany ), this could lead to settlements being abandoned.

When Genghis Khan returned from his campaign the new emperor Xianzong pled with him, but the general Aša-gambu challenged Genghis Khan.

When Genghis Khan died in 1227, he left 4, 000 Mongol men to Jochi's family.

When Möngke Khan became Great Khan in 1251, he immediately set out to implement his grandfather Genghis Khan's plan for world empire.

When Subutai heard in 1242 that Grand Khan Ögedei had died the previous year, the Mongol army retreated eastward, because Subutai had three princes of the blood in his command and Genghis Khan had made clear that all descendants of the Khagan ( Grand Khan ) should return to the Mongol capital of Karakorum for the kurultai which would elect the next Khagan.

When Muhammad II of Khwarezm executed the merchants dispatched by the Mongols, Genghis Khan declared war on Khwārazm-Shāh dynasty in 1219.

When the army who awaited the enemy was busy fighting the Mongolian vanguard, Genghis Khan led the main force towards the sultan who was trapped between the Mongols and the river.

When he was 17 years old, Genghis Khan experienced the disastrous defeat of Khalakhaljid Sands against the army of Jamukha.

When Genghis Khan ’ s youngest brother, Temuge, threatened the Great Khatun Toregene in an attempt to seize the throne, Guyuk came to Mongolia from Emil to secure his position immediately.

When the papal envoy John of Plano Carpini protested Mongol attacks on the Catholic kingdoms of Europe, Guyuk stated that these people had slain Mongol envoys in the time of Genghis Khan and Ogedei Khan.

When Genghis Khan was deciding who should succeed him he had trouble choosing between his four sons.

When Genghis Khan returned home he sent for Jochi.

When the latter refused to obey and asked a pardon Genghis Khan sent Chagatai and Ögedei against him.

When Genghis conquered the Merkits in 1204, he gave Toregene to Ögedei as his second wife.

When Temuge Otchigen, the youngest brother of Genghis, gathered his men and tried to unsuccessfully seize the throne, Guyuk quickly came to meet him.

When rumors reached Jebe, he immediately returned to where Genghis Khan was and offered 100 white horses ( the same kind of horse that Genghis Khan was riding when Jebe shot the horse ) as a sign of loyalty.

When Count Olaf appears as Coach Genghis, the Quagmires decide to involve themselves ; they research Olaf's past crimes in old newspapers in the school library and sneak out of Vice Principal Nero's concerts to spy on him and the Baudelaires.

When Jebe ( one of the Mongol generals pursuing Muhammad ) heard of Ala ad-Din Muhammad's death, he asked Genghis Khan for a year or two to continue his conquests before returning to Mongolia via the Caucasus.

When Genghis died in 1227, the leadership of the Empire passed to Genghis ' son ( Ariq Boke's uncle ), Ogedei.

When last Tayan Khan was killed after a battle with Genghis Khan in 1203, his son Kuchlug with his remaining Naiman troops fled to the Kara-Khitan.

When integrating new soldiers into the army, Genghis divided the soldiers under different leaders to break up the social and tribal connections, so there was no division based on heritage of tribal alliances.

** " Mowgli's Song That He Sang at the Council Rock When He Danced on Shere Khan's Hide " ( poem )

When Tokhtamysh fled, Urus Khan's grandson, Temur Qutlugh, was chosen Khan in Sarai, and Koirijak was appointed sovereign of the White Horde by Timur.

When Guyuk began moving west, Sorghaghtani Beki, the widow of Tolui, warned Batu that he was actually the Great Khan's target.

When Sonam Gyatso died in 1588, his incarnation-and thus, the new Dalai Lama-was " found " to be Altan Khan's great-grandson.

When the Khan's cousin, the Baskaki Shevkal, and his Tatars were killed in Tver and a rebellion erupted there in mid-August 1327, Dmitry's successor as Prince of Tver and Grand Prince of Vladimir-Suzdal, his brother Alexander Mikhailovich, fled first to Novgorod --- which turned him away --- and then to Pskov --- which made him it's Prince --- in order to escape a punitive expedition of 50, 000 Mongol-Tatars & Muscovites, which was headed by his cousin, Yury's brother & successor Ivan Daniilovich.

When Mowgli is about 11 or 12 Bagheera tells him of Shere Khan's plan.

When he calls Khan in for questioning, Khan's superiority complex chafes against Khanna's police authority, as he scolds the officer, telling him he only orders him around due to the uniform he wears.

When the Emperor visited Malik Darwesh Khan's kingdom at the city of Ghirjak, Malik Darwesh ordained that the city would henceforth be renamed to Jalalpur in honour of the Emperor and the Janjua's relationship.

When Emperor Ankan died, he had no offspring ; and succession passed to his youngest brother who will come to be known as Emperor Senka.

When he took office on March 4, 1845, Polk, at 49, became the youngest man at the time to assume the presidency.

When Schumacher crashed it into a lamp post in Kerpen, his parents took him to the karting track at Kerpen-Horrem, where he became the youngest member of the karting club.

When he assumed the presidency, Grant had never before held elected office and, at the age of 46, was the youngest person yet elected president.

When a trader from Georgia approached Brodess about buying Rit's youngest son, Moses, she hid him for a month, aided by other slaves and free blacks in the community.

When Melisende's father was captured during a campaign in 1123, Morphia hired a band of Armenian mercenaries to discover where her husband was being held prisoner, and in 1124 Morphia took a leading part in the negotiations with Baldwin's captors to have him released, including traveling to Syria and handing over her youngest daughter Yveta as hostage and as surety for the payment of the king's ransom.

When she died later that year, her youngest daughter, Patricia Gay Tate, known as Patti, continued her work.

When her father tried to get Anne to baptise her youngest daughter into the Catholic faith, Anne burst into tears.

When the boy was almost two, his father wrote in his diary that his youngest son became " so sick that we are anxious about him.

When Lorre was four years old, his mother died, probably of food poisoning, leaving Alajos with three very young sons, the youngest only a couple of months old.

When they died, the holding normally passed to their next heir-who might be the eldest son / daughter ( primogeniture ); or youngest son / daughter ( Borough English or ultimogeniture ); or a division between children ( partible inheritance ), depending upon the custom of that particular manor.

When she was three, her mother and her youngest brother died ; her father killed two servants whom he thought had poisoned them.

When the youngest county of Houston was formed in 1903, Henry became the smallest.

When his youngest brother king Baldwin I of Jerusalem died in 1118, the elderly Eustace was offered the throne.

When elected governor at age 36, Branstad was the youngest chief executive in Iowa's history and when he left office, was Iowa's longest-serving governor.

When Alfonso also died without living children, the kingdom of Aragon passed to the youngest brother, Ramiro II.

In 1994, at the age of six, Whitman made her film debut, acting alongside Meg Ryan in When a Man Loves a Woman ( 1994 ), playing Ryan's youngest daughter, Casey.

When Arthur was two years old, a marriage with their youngest daughter, Catherine of Aragon was arranged for him as part of the Treaty of Medina del Campo.

When Chris discovers youngest daughter Dagmar is severely ill with mastoiditis, he insists on taking her to the hospital.

When, despite being the youngest son, he was named successor by his father, his elder brothers tried to discredit him.

When she was appointed to Doctor Who in 1963 she was the youngest producer, and only female drama producer, working at the BBC.

When he was fourteen " in preference to a great number of candidates " ( Burney ) he was chosen as organist at St Andrew's, Holborn and at the age of seventeen became the youngest person ever to obtain the Bachelor of Music degree ( B. Mus.

When his mother died in 1923 and his father became unemployed, Howard's youngest brother, Julius, went to live with relatives, while he and his older brother Jerome worked by selling newspapers.

When Adu entered United's regular-season opener as a second-half substitute on April 3, 2004, he became the youngest player in any professional sport in the United States since 1887.