2nd century

(1st century - 2nd century - 3rd century - other centuries)

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Events:

• Roman Empire governed by the 'Five Good Emperors' (96 - 180) - Nerva, Trajan, Hadrian, Antoninus Pius, Marcus Aurelius.

Significant persons:

• Galen, medical writer
• Saint Irenaeus
• Pliny the Younger
• Plutarch

Inventions, Discoveries, Introductions

• Ptolemy compiles a catalogue of all stars visible to the naked eye.

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