The 2nd century is the period from 101 - 200 in accordance with the Julian calendar in the Christian Era.
Events

Pieces of Hadrian's Wall remain near Greenhead and along the route, though large sections have been dismantled over the years to use the stones for various nearby construction projects.
- 96–180: Five Good Emperors of Rome: Nerva, Trajan, Hadrian, Antoninus Pius, Marcus Aurelius
- The kingdom of Aksum emerges
- 120-150: Bulgars migrate to Europe
- 122–132: Hadrian's Wall across Britain
- 132–135: Bar Kokhba's revolt against Rome
- 144: Marcion, rejected by Church of Rome, founds Marcionism
- 167-175: First Marcomanni War
- 178-180: Second Marcomanni War (depicted in the movie Gladiator)
Significant persons
- Rabbi Akiva Head of all the Jewish Sages
- Rabbi Yehuda haNasi Prince of the Jewish people
- Commodus, Roman Emperor, claimed to be Hercules reincarnated
- Galen, medical writer
- Irenaeus, 2nd Bishop of Lyons
- Montanus, Christian heretic
- Nagarjuna, founder of Madhyamaka Buddhism
- Pliny the Younger
- Plutarch, Roman historian
- Ptolemy, Greek astronomer
- Septimius Severus, Roman Emperor
- Suetonius, Roman historian
- Valentinius, most famous Christian Gnostic
- Zhang Daoling, Taoist hermit, ascended to heaven
Inventions, discoveries, introductions
- Cai Lun invents paper (c. 105)
- Ptolemy compiles a catalogue of all stars visible to the naked eye.
- 132: Zhang Heng invents first seismometer
Decades and years
90s |
90 |
91 |
92 |
93 |
94 |
95 |
96 |
97 |
98 |
99 |
100s |
100 |
101 |
102 |
103 |
104 |
105 |
106 |
107 |
108 |
109 |
110s |
110 |
111 |
112 |
113 |
114 |
115 |
116 |
117 |
118 |
119 |
120s |
120 |
121 |
122 |
123 |
124 |
125 |
126 |
127 |
128 |
129 |
130s |
130 |
131 |
132 |
133 |
134 |
135 |
136 |
137 |
138 |
139 |
140s |
140 |
141 |
142 |
143 |
144 |
145 |
146 |
147 |
148 |
149 |
150s |
150 |
151 |
152 |
153 |
154 |
155 |
156 |
157 |
158 |
159 |
160s |
160 |
161 |
162 |
163 |
164 |
165 |
166 |
167 |
168 |
169 |
170s |
170 |
171 |
172 |
173 |
174 |
175 |
176 |
177 |
178 |
179 |
180s |
180 |
181 |
182 |
183 |
184 |
185 |
186 |
187 |
188 |
189 |
190s |
190 |
191 |
192 |
193 |
194 |
195 |
196 |
197 |
198 |
199 |
200s |
200 |
201 |
202 |
203 |
204 |
205 |
206 |
207 |
208 |
209 |
Millennium |
Century |
4th BC: |
40th BC |
39th BC |
38th BC |
37th BC |
36th BC |
35th BC |
34th BC |
33rd BC |
32nd BC |
31st BC |
3rd BC: |
30th BC |
29th BC |
28th BC |
27th BC |
26th BC |
25th BC |
24th BC |
23rd BC |
22nd BC |
21st BC |
2nd BC: |
20th BC |
19th BC |
18th BC |
17th BC |
16th BC |
15th BC |
14th BC |
13th BC |
12th BC |
11th BC |
1st BC: |
10th BC |
9th BC |
8th BC |
7th BC |
6th BC |
5th BC |
4th BC |
3rd BC |
2nd BC |
1st BC |
1st: |
1st |
2nd |
3rd |
4th |
5th |
6th |
7th |
8th |
9th |
10th |
2nd: |
11th |
12th |
13th |
14th |
15th |
16th |
17th |
18th |
19th |
20th |
3rd: |
21st |
22nd |
23rd |
24th |
25th |
26th |
27th |
28th |
29th |
30th |
4th: |
31st |
32nd |
33rd |
34th |
35th |
36th |
37th |
38th |
39th |
40th |