--- a/src/pyams_content/shared/common/zmi/summary.py	Mon Sep 11 14:50:14 2017 +0200
+++ b/src/pyams_content/shared/common/zmi/summary.py	Mon Sep 11 14:50:56 2017 +0200
@@ -14,6 +14,7 @@
 
 
 # import standard library
+from datetime import datetime
 
 # import interfaces
 from pyams_content.shared.common.interfaces import IWfSharedContent, IWfSharedContentRoles, ISharedTool
@@ -169,12 +170,26 @@
 
     legend = _("Content history")
 
-    fields = field.Fields(IWfSharedContent).select('first_owner') + \
-             field.Fields(IWorkflowPublicationInfo).select('first_publication_date')
+    fields = field.Fields(IWorkflowPublicationInfo).select('first_publication_date') + \
+             field.Fields(IWfSharedContent).select('first_owner')
 
     weight = 40
 
     def updateWidgets(self, prefix=None):
         super(SharedContentWorkflowHistorySummary, self).updateWidgets(prefix)
-        info = IWorkflowPublicationInfo(self.context)
-        self.widgets['first_publication_date'].value = format_datetime(tztime(info.first_publication_date))
+        workflow = IWorkflow(self.context)
+        state = IWorkflowState(self.context)
+        pub_date = tztime(state.get_first_state_date(workflow.published_states))
+        if pub_date is None:
+            value = '--'
+        else:
+            now = tztime(datetime.utcnow())
+            pub_info = IWorkflowPublicationInfo(self.context)
+            if (pub_info.publication_effective_date is None) or (pub_date >= pub_info.publication_effective_date):
+                value = format_datetime(tztime(pub_date))
+            else:
+                if pub_info.publication_effective_date < now:
+                    value = '--'
+                else:
+                    value = format_datetime(tztime(pub_info.publication_effective_date))
+        self.widgets['first_publication_date'].value = value