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| Years: 117 118 119 120 - 121 - 122 123 124 125 | |
| Decades: 90s 100s 110s - 120s - 130s 140sCenturies: 1st century 2nd century 3rd century Decades: 90s 100s 110s 120s 130s 140s 150s 160s 170s 180s 190s 140 141 142 143 144 145 146 147 148 149 Events and trends Significant people Antoninus Pius, Roman Emperor ( 138- 161) 140s. 150sCenturies: 1st century 2nd century 3rd century Decades: 100s 110s 120s 130s 140s 150s 160s 170s 180s 190s 200s 150 151 152 153 154 155 156 157 158 159 Events and trends Significant people Antoninus Pius, Roman Emperor ( 138- 161) 150s. | |
| CenturiesMillennia These pages contain the trends of millennia and centuries. The individual century pages contain lists of decades and years. See history for different organizations of historical events. See Calendar and List of calendars for other groupings of y: 1st century1st century BC 1st century 2nd century other centuries) The 1st century was that century which lasted from 1 to 99. Events Beginning of Christianity Spread of the Roman Empire Masoretes adds vowel pointings to the text of the Tanakh Pompeii and Herculaneu - 2nd century1st century 2nd century 3rd century other centuries) Events Roman Empire governed by the Five Good Emperors' ( 96 180) Nerva, Trajan, Hadrian, Antoninus Pius, Marcus Aurelius. Significant persons Cai Lun, Chinese inventor Galen, medical writer Saint Irena - 3rd century2nd century 3rd century 4th century other centuries) Events The Sassanid dynasty of Persia launches a war to reconquer lost lands in the Roman east. 230 232 AD). Crisis of the Third Century shakes Roman Empire Emperor Valerian I is taken captive by the Pe 121 (number)Integers 121 is the natural number following 120 and preceding 122. CardinalOne hundred [and] twenty-one Ordinal121st Factorization Roman numeralCXXI Binary1111001 Hexadecimal79 One hundred twenty-one is the sum of three consecutive primes (37 + 41 + 43). | |