The 11th century

3,121 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.

Decades

The 1000s — 10 years, 355 entries
The 1010s — 10 years, 314 entries
The 1020s — 10 years, 327 entries
The 1030s — 10 years, 269 entries
The 1040s — 10 years, 259 entries
The 1050s — 10 years, 286 entries
The 1060s — 10 years, 307 entries
The 1070s — 10 years, 331 entries
The 1080s — 10 years, 312 entries
The 1090s — 10 years, 361 entries

By subject

Conflict & Security in the 11th century — 382 entries
Religion & Belief in the 11th century — 259 entries
Culture & Society in the 11th century — 100 entries
Geopolitics & Diplomacy in the 11th century — 92 entries
Exploration & Expansion in the 11th century — 58 entries
Crime & Justice in the 11th century — 31 entries
Climate & Environment in the 11th century — 21 entries
Technology & Infrastructure in the 11th century — 19 entries
Science & Discovery in the 11th century — 17 entries
Health & Medicine in the 11th century — 12 entries
Disasters & Accidents in the 11th century — 9 entries

A few of the years

1001February 6 – After leading the revolt against Emperor Otto III and expelling the Crescentii, Gregory I, Count of Tusculum is named "Head of the Republic".
1013September – Emperor Sanjō of Japan visits the home of influential statesman Fujiwara no Michinaga.
1025February – In what was the Kingdom of Israel, Fath al-Qal'i, the Fatimid Governor of Jerusalem, and Anushtakin al-Dizbari, the Governor of Palestine, make a successful assault on Ramla against Hassan ibn Mufarrij al-Jarrah, the leader of the Jarrahids of Syria.
1037May – Conrad II, with Pavian assistance, lays siege to Milan at the Porta Romana side, but the city holds out. In Rome, Pope Benedict IX deposes Aribert as archbishop.
1049January 13 – Theodwin, prince-bishop of Liège, defeats Count Dirk IV of West Frisia near Dordrecht and restores imperial authority in the Rhine Delta.
1061June 28 – Count Floris I is ambushed on a retreat from Zaltbommel and killed by German troops at Nederhemert. Most of West Frisia (later part of the County of Holland) is conquered and annexed by the Holy Roman Empire.
1073May 25 – King Sancho IV of Navarre and Ahmad al-Muqtadir, Muslim ruler of the Taifa of Zaragoza, conclude an alliance by treaty.
1085April 1 – Emperor Zhezong ascends the throne at the age of 8 under the supervision of his grandmother, Grand Empress Dowager Gao. She cancels the reform policy of Chancellor Wang Anshi.