Fixing broken links in doc, part 4: some more breaks and redirects
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
index 15a4fe4..4276e91 100644
--- a/Doc/library/datetime.rst
+++ b/Doc/library/datetime.rst
@@ -514,7 +514,7 @@
Return a 3-tuple, (ISO year, ISO week number, ISO weekday).
The ISO calendar is a widely used variant of the Gregorian calendar. See
- http://www.phys.uu.nl/~vgent/calendar/isocalendar.htm for a good
+ http://www.staff.science.uu.nl/~gent0113/calendar/isocalendar.htm for a good
explanation.
The ISO year consists of 52 or 53 full weeks, and where a week starts on a