** commissions the Yongle Encyclopedia, one of the world's earliest and largest known general encyclopedias.

** Battle of Placentia — Emperor Aurelian is defeated by the Alemanni forces invading Italy

** Emperor Ai of Jin, a Jin Dynasty ( 265-420 ) emperor

** Emperor Ai of Han ( 27 BC – 1 BC )

** Emperor Ai of Tang ( 892 – 908 )

** Liber ad honorem Augusti by Peter of Eboli, narrative of the conquest of Sicily by Henry VI, Holy Roman Emperor ( Latin )

** Imperial Prince Nunakura Futotama-Shiki ( Emperor Bidatsu ); born 538 ( second son )

** Imperial Prince Oe or Ikebe ( Emperor YOMEI ); born 540 ( fourth son )

** Imperial Princess Ohotomo or Ohomata ; born about 560 ; married to her nephew Prince Oshisako no Hikohito no Oe, son of Emperor Bidatsu

** Imperial Princess Toneri, born about 565 ; died 603 ; married to her nephew Prince Tame Toyora, son of Emperor Yomei

** Imperial Princess Hasetsukabe no Anahobe no Hashihito, born about 560 ; died 621 ; married ( A ) to her half brother Emperor Yomei ; married ( B ) to her nephew and stepson Prince Tame Toyora, son of Emperor Yomei

** Imperial Prince Hatsusebe ( Emperor SUSHUN )

** Prince Oshisako no Hikohito no Oe, born about 556, married ( A ) Princess Ohomata ( Ohotomo ), his aunt, daughter of Emperor Kimmei and Soga no Kitashi-Hime, by whom he had a son and a daughter ;( B ) Princess Nukate-Hime ( his half sister ), by whom he had 3 sons ; ( C ) Princess Woharida ( his half sister ), by whom he had a son and a daughter:

** Princess Uji no Shitsukahi ( Uji no Kahitako ), born about 570, married to Prince Shōtoku, son of Emperor Yōmei and Empress Anahobe

** Princess Tame, married to her nephew Emperor Jomei

** Second son: Imperial Prince Ohito ( 緒仁親王 ) ( Emperor Go-En ' yū )

** First son: Imperial Prince Motohito ( 幹仁親王 ) ( Emperor Go-Komatsu )

** Henry II, Holy Roman Emperor

** Der Tag wird kommen ( The day will come, Josephus and the Emperor ), 1942

** Emperor Constantine I

** The Treaty of Münster ( Instrumentum Pacis Monasteriensis, IPM ), concerning the Holy Roman Emperor and France and their respective allies.

** The Treaty of Osnabrück ( Instrumentum Pacis Osnabrugensis, IPO ), concerning the Holy Roman Emperor, the Empire and Sweden and their respective allies.

** Jean-Bédel Bokassa, president of the Central African Republic, crowns himself Emperor.

** Emperor Charles I of Austria gives up his absolute power but does not abdicate.

** WWII: Emperor Hirohito announces Japan's surrender on the radio.

Ming China under the reign of the Yongle Emperor

Perpetual Happiness: The Ming Emperor Yongle.

Chaste widows were revered as heroes during the Ming and Qing periods, and were deemed so central to China ’ s culture and the fate of all peoples, the Yongle Emperor distributed 10, 000 copies of the Biographies of Exemplary Women ( Lienü Zhuan ) to various non-Chinese countries for their moral instruction.

During the Ming Dynasty, Emperor Yongle bestowed the title Great Treasure Prince of Dharma, the first of the three Princes of Dharma, upon the Black-Hat Karmapa.

* 1402 – Zhu Di, better known by his era name as the Yongle Emperor, assumes the throne over the Ming Dynasty of China.

* 1360 – Yongle Emperor, of China ( d. 1424 )

The site for constructing the walls and the thickness of the walls in Beijing's Forbidden City were favored by the Chinese Yongle Emperor ( r. 1402 – 1424 ), because they were in pristine position to resist cannon volley and were built thick enough to withstand attacks from cannon fire.

Once Zhu Di deposed Jianwen and became crowned as Yongle Emperor ( r. 1403-1424 ), Zheng He continued serving in his court as a Eunuch Grand Director ( 太監, tàijiàn ).

In 1424, the Yongle Emperor died.

Under the rule of Yongle Emperor, who built the Forbidden City and commanded Zhenghe to explore the world overseas, Ming Dynasty's territory reached pinnacle.

* 1403: The Yongle Emperor moves the capital of China from Nanjing to Beijing.

An African giraffe being led into a Ming Dynasty zoo, a Chinese painting by She Du, 1414 AD, during the reign of the Yongle Emperor.

* In China, the Ming Emperor Yongle

* The Grand Canal of China is reinstated by this year after it had fallen out of use ; restoration began in 1411, and was a response by the Yongle Emperor of the Ming Dynasty to improve the grain shipment system of tribute traveling from south to north towards his new capital at Beijing.

* May 2 – Chu Ti, Yongle Emperor of China ( d. 1424 )

* April 10 – After several invitations by the Yongle Emperor of China since 1403, the fifth Karmapa of the Karma Kagyu sect of Tibetan Buddhism, the lama Deshin Shekpa, finally visits the Ming Dynasty capital, then at Nanjing.

In a show of mystical prowess, Deshin Shekpa adds legitimacy to a questionable succession to the throne by Yongle, who had killed his nephew the Jianwen Emperor in the culmination of a civil war.

* The Ming Dynasty of China under the Yongle Emperor invades and conquers Vietnam, renaming the area Annam, after abandoning its support for reestablishing the Trần Dynasty over the Hồ dynasty.

* Under the Yongle Emperor of Ming China, work begins to reinstate the ancient Grand Canal of China, which fell into disuse and dilapidation during the previous Yuan Dynasty.

* The Tibetan lama Je Tsongkhapa of the Gelug Buddhist sect declined the offer of the Yongle Emperor of China to appear in the capital at Nanjing, although he sent his disciple Chosrje Shākya Yeshes, who was given the title " State Teacher ".

* The Timurid ruler of Persia, Mirza Shahrukh ( r. 1404 – 1447 ), sends a large embassy to the Ming Dynasty of China during the reign of the Yongle Emperor ( r. 1402 – 1424 ).

* October 22 – Ghiyasu'd-Din Naqqah, an envoy of the embassy sent by the Timurid ruler of Persia, Mirza Shahrukh ( r. 1404 – 1447 ), to the Ming Dynasty of China during the reign of the Yongle Emperor ( r. 1402 – 1424 ), records his sight and travel over a large floating pontoon bridge at Lanzhou ( constructed earlier in 1372 ) as he crosses the Yellow River on this day.

In this year the Yongle Emperor confers the title " Beijing " (" Northern Capital ") for the Ming Dynasty's new capital city, replacing Nanjing.

* August 12 – Yongle Emperor of China ( b. 1360 )

* A series of seven customs offices and barriers are installed along the Grand Canal of China, during the reign of the Ming Dynasty ruler Emperor Yongle.