diff --git a/HISTORY.md b/HISTORY.md
index 7a7ccdb..8037aaf 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,8 +1,8 @@
 Version History
 ===============
 
-Version 2.4
------------
+Version 2.4 (2013)
+------------------
 
 * The various question environments must now be correctly nested (sub-sub-questions
   within sub-questions within questions).
@@ -20,8 +20,8 @@
   and the “TURN OVER”/“END” sequencing. Fixed.
 
 
-Version 2.3
------------
+Version 2.3 (2012-09-04)
+------------------------
 
 * Updated exam paper formatting to conform to latest University standards.
 
@@ -32,21 +32,21 @@
 * Generating the class documentation now requires PDFLaTeX.
 
 
-Version 2.2
------------
+Version 2.2 (2010-04-26)
+------------------------
 
 * Added time allocation macros.
 
 
-Version 2.1.3
--------------
+Version 2.1.3 (2009-04-28)
+--------------------------
 
 * Changed the defaults for `\material`, `\copiesof` and `\otherinstructions` to
   “N/A”.
 
 
-Version 2.1.2
--------------
+Version 2.1.2 (2008-08-14)
+--------------------------
 
 * The “subject to inspection” messages that appear in the calculators and
   permitted material sections of the title page now only appear when
@@ -54,14 +54,14 @@
   material, respectively.
 
 
-Version 2.1.1
--------------
+Version 2.1.1 (2006-08-21)
+--------------------------
 
 * “END” is now printed at the bottom of the last page of the exam.
 
 
-Version 2.1
------------
+Version 2.1 (2004-04-16)
+------------------------
 
 * Updated the calculators macro to conform to the new University calculator
   regulations. `\allowcalculators` now has an optional argument to specify
@@ -70,8 +70,8 @@
 * `\permitcalculators` has been added as a synonym for `\allowcalculators`.
 
 
-Version 2.0.2
--------------
+Version 2.0.2 (2002-08-22)
+--------------------------
 
 * If you omitted any of the required title page macros (`\examyear`,
   `\papernumber`, `\papertitle` or `\department`), `ouexam` crashed when trying
@@ -81,8 +81,8 @@
   `\semester` macro.
 
 
-Version 2.0.1
--------------
+Version 2.0.1 (2002-04-30)
+--------------------------
 
 * There was a bug in the definition of the macros for numbering
   sub-sub-questions that meant they were numbered as “(a)” instead of the
@@ -95,3 +95,19 @@
   questions now print as “1”, sub-questions as “(b)” and sub-sub-questions
   as “(iii)”. If this does not suit your requirements, change the
   `\labelquestion`, `\labelsubquestion` or `\labelsubsubquestion` macros.
+
+
+Version 2.0 (2002-01-30)
+------------------------
+
+
+Version 1.2 (2000-04-14)
+------------------------
+
+
+Version 1.1 (1999-04-20)
+------------------------
+
+
+Version 1.0 (1999-04-15)
+------------------------