diff --git a/pep-0011.txt b/pep-0011.txt
index 328e96ddbff..daddaebb05a 100644
--- a/pep-0011.txt
+++ b/pep-0011.txt
@@ -8,9 +8,6 @@ Status: Active
 Type: Process
 Content-Type: text/x-rst
 Created: 07-Jul-2002
-Post-History: 18-Aug-2007,
-              16-May-2014,
-              20-Feb-2015
 
 
 Abstract
@@ -329,6 +326,27 @@ No-longer-supported platforms
   | Unsupported in:   Python 3.7
   | Code removed in:  Python 3.7
 
+
+Discussions
+===========
+
+* April 2022: `Consider adding a Tier 3 to tiered platform support
+  <https://mail.python.org/archives/list/python-committers@python.org/thread/V3OZPJGA5VJFYM6XYGPZIVPOIYKX6KTD/>`_
+  (Victor Stinner)
+* March 2022: `Proposed tiered platform support
+  <https://mail.python.org/archives/list/python-committers@python.org/thread/K757345KX6W5ZLTWYBUXOXQTJJTL7GW5/>`_
+  (Brett Cannon)
+* February 2015: `Update to PEP 11 to clarify garnering platform support
+  <https://mail.python.org/archives/list/python-dev@python.org/thread/OEQHRR2COYZDL6LZ42RBZOMIUB32WI34/>`_
+  (Brett Cannon)
+* May 2014: `Where is our official policy of what platforms we do support?
+  <https://mail.python.org/archives/list/python-dev@python.org/thread/T7WTUJ6TD3IGYGWV3M4PHJWNLM2WPZAW/>`_
+  (Brett Cannon)
+* August 2007: `PEP 11 update - Call for port maintainers to step forward
+  <https://mail.python.org/archives/list/python-dev@python.org/thread/DSSGXU5LBCMKYMZBRVB6RF3YAB6ST5AV/>`_
+  (Skip Montanaro)
+
+
 References
 ==========