diff --git a/app/models/queued_post.rb b/app/models/queued_post.rb
index e8f0bdcca46..b91d3af3de2 100644
--- a/app/models/queued_post.rb
+++ b/app/models/queued_post.rb
@@ -77,6 +77,9 @@ class QueuedPost < ActiveRecord::Base
 
       unless created_post && creator.errors.blank?
         raise StandardError.new(creator.errors.full_messages.join(" "))
+      else
+        # Log post approval
+        StaffActionLogger.new(approved_by).log_post_approved(created_post)
       end
     end
 
diff --git a/app/models/user_history.rb b/app/models/user_history.rb
index 2f5391cde50..7155d2ad3e1 100644
--- a/app/models/user_history.rb
+++ b/app/models/user_history.rb
@@ -71,7 +71,8 @@ class UserHistory < ActiveRecord::Base
       disabled_second_factor: 52,
       post_edit: 53,
       topic_published: 54,
-      recover_topic: 55
+      recover_topic: 55,
+      post_approved: 56
     )
   end
 
@@ -121,7 +122,8 @@ class UserHistory < ActiveRecord::Base
       :disabled_second_factor,
       :post_edit,
       :topic_published,
-      :recover_topic
+      :recover_topic,
+      :post_approved
     ]
   end
 
diff --git a/app/services/staff_action_logger.rb b/app/services/staff_action_logger.rb
index 841083b8112..ff137a0db5e 100644
--- a/app/services/staff_action_logger.rb
+++ b/app/services/staff_action_logger.rb
@@ -410,6 +410,14 @@ class StaffActionLogger
                                           context: topic.relative_url))
   end
 
+  def log_post_approved(post, opts = {})
+    raise Discourse::InvalidParameters.new(:post) unless post && post.is_a?(Post)
+    UserHistory.create!(params(opts).merge(
+      action: UserHistory.actions[:post_approved],
+      post_id: post.id)
+    )
+  end
+
   private
 
     def params(opts = nil)
diff --git a/config/locales/client.en.yml b/config/locales/client.en.yml
index fbeba4d7024..be1223eeaed 100644
--- a/config/locales/client.en.yml
+++ b/config/locales/client.en.yml
@@ -3387,6 +3387,7 @@ en:
             check_personal_message: "check personal message"
             disabled_second_factor: "disable Two Factor Authentication"
             topic_published: "topic published"
+            post_approved: "post approved"
         screened_emails:
           title: "Screened Emails"
           description: "When someone tries to create a new account, the following email addresses will be checked and the registration will be blocked, or some other action performed."
diff --git a/spec/models/queued_post_spec.rb b/spec/models/queued_post_spec.rb
index 5f5f32eb93a..b6e5113efe2 100644
--- a/spec/models/queued_post_spec.rb
+++ b/spec/models/queued_post_spec.rb
@@ -69,6 +69,11 @@ describe QueuedPost do
       expect(post).to be_present
     end
 
+    it "logs post approvals" do
+      qp.approve!(admin)
+      expect(UserHistory.where(action: UserHistory.actions[:post_approved]).count).to eq(1)
+    end
+
     it "follows the correct workflow for rejection" do
       qp.create_pending_action
       qp.reject!(admin)
@@ -124,6 +129,8 @@ describe QueuedPost do
         topic = post.topic
         expect(topic).to be_present
         expect(topic.category).to eq(category)
+
+        expect(UserHistory.where(action: UserHistory.actions[:post_approved]).count).to eq(1)
       end
 
       it "rejecting doesn't create the post and topic" do
diff --git a/spec/services/staff_action_logger_spec.rb b/spec/services/staff_action_logger_spec.rb
index e48ff711bb1..70132a7a51e 100644
--- a/spec/services/staff_action_logger_spec.rb
+++ b/spec/services/staff_action_logger_spec.rb
@@ -470,4 +470,22 @@ describe StaffActionLogger do
       expect { log_check_personal_message }.to change { UserHistory.count }.by(1)
     end
   end
+
+  describe 'log_post_approved' do
+    let(:approved_post) { Fabricate(:post) }
+
+    subject(:log_post_approved) { described_class.new(admin).log_post_approved(approved_post) }
+
+    it 'raises an error when post is nil' do
+      expect { logger.log_post_approved(nil) }.to raise_error(Discourse::InvalidParameters)
+    end
+
+    it 'raises an error when post is not a Post' do
+      expect { logger.log_post_approved(1) }.to raise_error(Discourse::InvalidParameters)
+    end
+
+    it 'creates a new UserHistory record' do
+      expect { log_post_approved }.to change { UserHistory.count }.by(1)
+    end
+  end
 end