Fix doc of datetime.date*.*fromtimestamp() methods
diff --git a/Doc/whatsnew/3.3.rst b/Doc/whatsnew/3.3.rst
index 26c42b5..7392e70 100644
--- a/Doc/whatsnew/3.3.rst
+++ b/Doc/whatsnew/3.3.rst
@@ -1123,6 +1123,11 @@
with sys.platform.startswith('linux'), or directly sys.platform == 'linux' if
you don't need to support older Python versions.
+* :issue:`13847`, :issue:`14180`: :mod:`time` and :mod:`datetime`:
+ :exc:`OverflowError` is now raised instead of :exc:`ValueError` if a
+ timestamp is out of range. :exc:`OSError` is now raised if C functions
+ :c:func:`gmtime` or :c:func:`localtime` failed.
+
Porting C code
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