89 (number)
89 (eighty-nine) is the natural number following 88 and preceding 90.
In mathematics
89 is:
* the 24th prime number, following 83 and preceding 97.
* a Chen prime.
* a Pythagorean prime.
* the smallest Sophie Germain prime to start a Cu ...
* Atomic number 89:
actinium
Actinium is a chemical element; it has chemical symbol, symbol Ac and atomic number 89. It was discovered by Friedrich Oskar Giesel in 1902, who gave it the name ''emanium''; the element got its name by being wrongly identified with a substa ...
*
89ers
89ers are a German music duo formed in 2002 and consisting of Paul Hutsch and Claudia Heymanns specializing in Hands-Up music in addition to Rock music
Rock is a Music genre, genre of popular music that originated in the United States as " ...
, a German
Eurodance
Eurodance (sometimes referred to as Euro-NRG) is a genre of electronic dance music that originated in the late 1980s in Europe. It combines many elements of Hip-hop, rap, techno and Eurodisco. This genre of music is heavily influenced by the use ...
duo
*
89 Julia
89 Julia is a large main-belt asteroid that was discovered by French astronomer Édouard Stephan on 6 August 1866. This was first of his two asteroid discoveries; the other was 91 Aegina. 89 Julia is believed to be named after Saint Julia of ...
, a main-belt asteroid
Years
*
89 BC
__NOTOC__
Year 89 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Strabo and Cato (or, less frequently, year 665 ''Ab urbe condita'') and the Fourth Year of Zhenghe. The denomination 89 ...
*
AD 89
AD 89 (Roman numerals, LXXXIX) was a common year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Roman consul, Consulship of Titus Aurelius Fulvus (father of Antoninus Pius), Fulvus and Marcus Asinius At ...
*
1989
1989 was a turning point in political history with the "Revolutions of 1989" which ended communism in Eastern Bloc of Europe, starting in Poland and Hungary, with experiments in power-sharing coming to a head with the opening of the Berlin W ...
*
2089
In contemporary history, the third millennium is the current millennium in the ''Anno Domini'' or Common Era, under the Gregorian calendar. It began on 1 January 2001 ( MMI) and will end on 31 December 3000 ( MMM), spanning the 21st to 30th ...