89

Upper Paleolithic
• 10th millennium BC | 9th millennium BC | 8th millennium BC
• 7th millennium BC | 6th millennium BC | 5th millennium BC

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The 1st century BC started the first day of 100 BC and ended the last day of 1 BC. It is considered part of the Classical era, epoch, or historical period. An alternative name for this century is the last century BC.
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The 1st century was that century that lasted from 1 to 100 according the Gregorian calendar. It is considered part of the Classical era, epoch, or historical period
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The 2nd century is the period from 101 to 200 in accordance with the Julian calendar in the Christian Era. It is considered part of the Classical era, epoch, or historical period
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list of decades which have articles with more information about them.

During the twentieth century, it became popular to look at that century's decades as historical entities in themselves.
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50S is the larger subunit of the 70S ribosome of prokaryotes.

It is the site of inhibition for antibiotics such as chloramphenicol and clindamycin.

It includes the subunits 5S and 23S.
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60S is the large ribosomal subunit in eukaryotes. It corresponds to 50S in prokaryotes.

It consists of the following:

• 5S
• 28S
• 5.8S

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1st millennium
Centuries: 1st century BC - 1st century - 2nd century
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Centuries: 1st century BC - 1st century - 2nd century

40s 50s 60s - 70s - 80s 90s 100s
70 71 72 73 74
75 76 77 78 79

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Note: Sometimes the '70s

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Centuries: 1st century BC - 1st century - 2nd century

50s 60s 70s - 80s - 90s 100s 110s
80 81 82 83 84
85 86 87 88 89

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Note: Sometimes '80s

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Centuries: 1st century BC - 1st century - 2nd century

60s 70s 80s - 90s - 100s 110s 120s
90 91 92 93 94
95 96 97 98 99

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-

Note: Sometimes the '90s

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Centuries: 0th century - 1st century - 2nd century

70s 80s 90s - 100s - 110s 120s 130s
100 101 102 103 104
105 106 107 108 109

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Events and Trends

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Centuries: 1st century - 2nd century - 3rd century

80s 90s 100s - 110s - 120s 130s 140s
110 111 112 113 114
115 116 117 118 119

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Events and Trends

• The Roman Empire reaches its maximum extent.

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This page indexes the individual years pages.

Twenty-first century

2100 - 2099 - 2098 - 2097 - 2096 - 2095 - 2094 - 2093 - 2092 - 2091

2090 - 2089 - 2088 - 2087 - 2086 - 2085 - 2084 - 2083 - 2082 - 2081

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1st century BC - 1st century - 2nd century
50s  60s  70s  - 80s -  90s  100s  110s
83  84  85  - 86 -  87  88  89 
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1st century BC - 1st century - 2nd century
50s  60s  70s  - 80s -  90s  100s  110s
84  85  86  - 87 -  88  89  90 
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1st century BC - 1st century - 2nd century
50s  60s  70s  - 80s -  90s  100s  110s
85  86  87  - 88 -  89  90  91 
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1st century BC - 1st century - 2nd century
60s  70s  80s  - 90s -  100s  110s  120s
87  88  89  - 90 -  91  92  93 
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1st century BC - 1st century - 2nd century
60s  70s  80s  - 90s -  100s  110s  120s
88  89  90  - 91 -  92  93  94 
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1st century BC - 1st century - 2nd century
60s  70s  80s  - 90s -  100s  110s  120s
89  90  91  - 92 -  93  94  95 
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89 (eighty-nine) is the natural number following 88 and preceding 90.

In mathematics

Eighty-nine is the 24th prime number, following 83 and preceding 97. 89 is a Chen prime.
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Kush - Teritnide, King of Kush (85-90)

Asia

• China - He, Emperor of China (88-106)
• Korea (Three Kingdoms Period)
• Baekje

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Gregorian calendar is the most widely used calendar in the world. A modification of the Julian calendar, it was first proposed by the Calabrian doctor Aloysius Lilius, and was decreed by Pope Gregory XIII, for whom it was named, on 24 February 1582 via the papal bull
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Ab Urbe condita (literally, "from the city, having been founded") is a monumental history of Rome, from its legendary founding (ab Urbe condita, dated to 753 BC by Varro and most modern scholars). The book was written by Titus Livius (around 59 BC–AD 17).
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Armenian calendar uses the Armenian numerals. It begins in AD 552 as the start of the Armenian era.

Dates are marked by the letters ԹՎ
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Buddhist calendar is used on mainland Southeast Asia in the countries of Cambodia, Laos, Thailand, Myanmar (formerly Burma) and Sri Lanka in several related forms. It is a lunisolar calendar having months that are alternately 29 and 30 days, with an intercalated day and a 30-day
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Chinese calendar is a lunisolar calendar, incorporating elements of a lunar calendar with those of a solar calendar. In China today, the Gregorian calendar is used for most day to day activities, but the Chinese calendar is still used for marking traditional Chinese holidays such
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The Chinese sexagenary cycle (Chinese: 干支; Pinyin: gānzhī) is a cyclic numeral system of 60 combinations of the two basic cycles, the ten Heavenly Stems (天干;
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The Chinese sexagenary cycle (Chinese: 干支; Pinyin: gānzhī) is a cyclic numeral system of 60 combinations of the two basic cycles, the ten Heavenly Stems (天干;
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Coptic calendar, also called the Alexandrian calendar, is used by the Coptic Orthodox Church. This calendar is based on the ancient Egyptian calendar. To avoid the calendar creep of the latter, a reform of the ancient Egyptian calendar was introduced at the time of Ptolemy
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Ethiopian calendar (Amharic: የኢትዮጵያ ዘመን አቆጣጠር ye'Ītyōṗṗyā zemen āḳoṭaṭer), also called the
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