Index: app/helpers/application_helper.rb
===================================================================
--- app/helpers/application_helper.rb	(revision 15949)
+++ app/helpers/application_helper.rb	(working copy)
@@ -387,11 +387,18 @@
   end
 
   # Returns a string for users/groups option tags
-  def principals_options_for_select(collection, selected=nil)
+  def principals_options_for_select(collection, selected = nil)
     s = ''
     if collection.include?(User.current)
-      s << content_tag('option', "<< #{l(:label_me)} >>", :value => User.current.id)
+      s << content_tag('option', "<< #{l(:label_me_accusative, default: l(:label_me))} >>", value: User.current.id) # corrected for proper german (mich instead of ich!)
     end
+    # TODO: add this to Redmine Core and throw away the reference to the @issue instance variable
+    # The instance variable is used (instead of another parameter) to avoid the necessity of overriding the issues/_attributes partial
+    unless @issue.nil? # do not add option in case of bulk and issue category edit
+      last_assignee_id = @issue.last_assigned_to
+      s << content_tag('option', "<< #{t('issue.last_assignee', name: User.find_by_id(last_assignee_id).try(:name))} >>",
+                       value: last_assignee_id) if (last_assignee_id && (last_assignee_id != User.current.id))
+    end
     groups = ''
     collection.sort.each do |element|
       selected_attribute = ' selected="selected"' if option_value_selected?(element, selected) || element.id.to_s == selected
Index: app/models/issue.rb
===================================================================
--- app/models/issue.rb	(revision 15949)
+++ app/models/issue.rb	(working copy)
@@ -806,6 +806,15 @@
     scope
   end
 
+  # Returns the last assigned_to_id from the issue history
+  def last_assigned_to
+    journals.reverse_each do |j|
+      last_assignee_change = j.detail_for_attribute 'assigned_to_id'
+      return last_assignee_change.old_value.to_i if last_assignee_change && last_assignee_change.old_value
+    end
+    nil # return nil instead of an empty array
+  end
+
   # Returns the initial status of the issue
   # Returns nil for a new issue
   def status_was
Index: config/locales/de.yml
===================================================================
--- config/locales/de.yml	(revision 15949)
+++ config/locales/de.yml	(working copy)
@@ -622,6 +622,8 @@
   label_only: nur
   label_max_size: Maximale Größe
   label_me: ich
+  label_me_accusative: mich
+  last_assignee: "ZULETZT: %{name}"
   label_member: Mitglied
   label_member_new: Neues Mitglied
   label_member_plural: Mitglieder
Index: config/locales/en.yml
===================================================================
--- config/locales/en.yml	(revision 15949)
+++ config/locales/en.yml	(working copy)
@@ -816,6 +816,7 @@
   label_disabled: disabled
   label_show_completed_versions: Show completed versions
   label_me: me
+  last_assignee: "LAST: %{name}"
   label_board: Forum
   label_board_new: New forum
   label_board_plural: Forums