The 2nd century

1,102 sourced entries across 100 documented years, grouped into 10 decades. A century here runs 1900–1999 rather than 1901–2000, so its decades sit inside it exactly; on the BC side the same rule puts 1–99 BC in the 1st century BC and 100 BC in the 2nd.

Decades

The 100s — 10 years, 117 entries
The 110s — 10 years, 95 entries
The 120s — 10 years, 104 entries
The 130s — 10 years, 99 entries
The 140s — 10 years, 79 entries
The 150s — 10 years, 83 entries
The 160s — 10 years, 118 entries
The 170s — 10 years, 122 entries
The 180s — 10 years, 121 entries
The 190s — 10 years, 164 entries

By subject

Conflict & Security in the 2nd century — 160 entries
Religion & Belief in the 2nd century — 87 entries
Geopolitics & Diplomacy in the 2nd century — 85 entries
Culture & Society in the 2nd century — 55 entries
Exploration & Expansion in the 2nd century — 46 entries
Technology & Infrastructure in the 2nd century — 35 entries
Science & Discovery in the 2nd century — 18 entries
Crime & Justice in the 2nd century — 18 entries
Climate & Environment in the 2nd century — 17 entries
Health & Medicine in the 2nd century — 12 entries
Economy & Finance in the 2nd century — 10 entries

A few of the years

100Teotihuacan, a major city at the centre of modern-day Mexico, reaches a population of around 60,000–80,000.
112August 29 – Salonia Matidia receives the title of Augusta upon the death of Marciana.
124January 1 – Gaius Bellicius Torquatus and Manius Acilius Glabrio begin the year as the new consuls, but the two are replaced in April.
136Hadrian dictates his memoirs at his villa near Tivoli (Tibur) outside Rome.
148Emperor Antoninus Pius hosts a series of grand games, to celebrate Rome's 900th anniversary.
161March 7 – Emperor Antoninus Pius dies, and is succeeded by Marcus Aurelius, who shares imperial power with Lucius Verus, although Marcus retains the title Pontifex Maximus.
173Given control of the Eastern Empire, Avidius Cassius, the governor of Syria, crushes an insurrection of shepherds known as the Boukoloi.
185February – The rebels of the Yellow Turban are defeated by the imperial army, but only two months later, the rebellion breaks out again. It spreads to the Taihang Mountains on the western border of Hebei Province.