** 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.

** Imperial Prince Tokihito ( 言仁親王 ) – later Emperor Antoku

** Aliens ( film ), a 1986 sequel by James Cameron

** Alien ( franchise ), the film franchise, including other sequels

** Titan ( computer ), also known as the Atlas 2, its successor

** Altenberg, the German name for Vieille Montagne (" old mountain " in French ), the former zinc mine in Kelmis, Moresnet

** In the category of Riemann surfaces, an automorphism is a bijective biholomorphic map ( also called a conformal map ), from a surface to itself.

** Watson, P. B. Marcus Aurelius Antoninus ( London, 1884 ), chap.

** Feast of the Transfiguration ( Julian calendar ), and its related observances:

** Elena Sanz de Limantour ( 1922 – 1979 ), married in 1949 to Robert Borgs, and had issue:

** Andronikos V Palaiologos ( c. 1400 – c. 1407 ), Co-Emperor with his father John VII Palaiologos

** " ABC " ( song ), a 1970 song by The Jackson 5

** " ABC " ( Jin song ), Jin's first single off his 4th album " ABC " ( American-born Chinese )

** Emine Neşedil Katırcıoğlu ( b. 1927 ), unmarried and without issue

** Zehra Kadriye Katırcıoğlu ( Istanbul 12 March 1929-Istanbul 15 May 2012 ), married Ahmet Cevat Tugay have 4 sons and a daughter

** 25 color palette out of 256 colors ( 16 hues * 16 luma ), different graphics modes restricted the number of usable colors and the number of colors per sprite

** Ariane ( rocket family ), a series of space vehicles

** Allen Iverson ( born 1975 ), NBA basketball player for the Philadelphia 76ers

** Andre Iguodala ( born 1984 ), NBA basketball player for the Philadelphia 76ers

** Andrés Iniesta ( born 1984 ), football player for FC Barcelona

** Andy Irons ( 1978 – 2010 ), Hawaiian Surfer

** Allison Iraheta ( born 1992 ), American Idol Season 8 contestant

** Ai Weiwei ( born 1957 ), Chinese artist, curator, architectural designer, cultural and social commentator, dissident, disappeared April 2011

** Ai Siqi ( 1910 – 1966 ), philosopher and author

** Ai Qing ( 1910 – 1996 ), poet and political prisoner

** Xie Ai ( died 354 ), general

** Akita Sanesue ( 秋田実季 ; 1576 – 1660 ), daimyo ( feudal ruler )