Links til årstal

Tidsrejser:

Time Travel Research Center
Timecomments

Fysik/astronomi:

Weburbia: Physics Time Line
The American Physical Society - A Century Of Physics
Eric's Treasure Trove of Scientific Biography
The Galileo Project: Catalog of the Scientific Community of the 16th and 17th Centuries
The Galileo Project: Catalog of the Scientific Community of the 16th and 17th Centuries (directory)
Videnskabshistorie
Astronomisk tidslinie (Erling Poulsen, Rundtaarn)
Jakkten fortsætter
History of Spectroscopy: SPECTROSCOPIC TIMELINE
Particle Physics Timeline ved CERN

Filosofi:

A Timeline of Western Philosophers

Matematik:

Mathematicians: Indexes of Biographies
The History of Mathematics

Computervidenskab:

Computer History: Timeline

Biokemi:

Nobelstiftelsens tidslinje:

Nobelpristagere
Nobel - Timeline

Bøger med omfattende tidslinjer:

Timothy Ferris: "Mælkevejens krønike".
John Gribbin: "Companion to the Cosmos".