diff --git a/ChangeLog.md b/ChangeLog.md
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+++ b/ChangeLog.md
@@ -0,0 +1,3 @@
+# Changelog for antiope-swf
+
+## Unreleased changes
diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
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+The MIT License (MIT)
+
+Copyright (c) 2018-2019 Arbor Networks
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
@@ -0,0 +1,1 @@
+# antiope-swf
diff --git a/Setup.hs b/Setup.hs
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--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/antiope-swf.cabal b/antiope-swf.cabal
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--- /dev/null
+++ b/antiope-swf.cabal
@@ -0,0 +1,49 @@
+cabal-version: 2.2
+
+name:               antiope-swf
+version:            7.2.1
+synopsis:           Please see the README on Github at <https://github.com/arbor/antiope#readme>
+description:        Please see the README on Github at <https://github.com/arbor/antiope#readme>.
+category:           Services
+homepage:           https://github.com/arbor/antiope#readme
+bug-reports:        https://github.com/arbor/antiope/issues
+author:             Arbor Networks
+maintainer:         mayhem@arbor.net
+copyright:          Arbor Networks
+license:            MIT
+license-file:       LICENSE
+build-type:         Simple
+extra-source-files:
+    README.md
+    ChangeLog.md
+
+source-repository head
+  type: git
+  location: https://github.com/arbor/antiope
+
+common config
+  ghc-options: -Wall -Wcompat -Wincomplete-record-updates -Wincomplete-uni-patterns -Wredundant-constraints
+  default-language: Haskell2010
+
+library
+  import:   config
+  exposed-modules:    Antiope.SWF.HistoryEvent
+  hs-source-dirs:     src
+  build-depends:
+      base                  >= 4.7      && < 5
+    , amazonka-swf          >= 1.6
+    , lens
+    , text
+
+
+test-suite antiope-swf-test
+  import:   config
+  type:               exitcode-stdio-1.0
+  main-is:            Spec.hs
+  hs-source-dirs:     test
+  ghc-options:        -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+      base                  >= 4.7      && < 5
+    , hedgehog              >= 0.5      && < 0.7
+    , hspec                 >= 2.4      && < 2.7
+    , hw-hspec-hedgehog     >= 0.1      && < 0.3
diff --git a/src/Antiope/SWF/HistoryEvent.hs b/src/Antiope/SWF/HistoryEvent.hs
new file mode 100644
--- /dev/null
+++ b/src/Antiope/SWF/HistoryEvent.hs
@@ -0,0 +1,76 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module Antiope.SWF.HistoryEvent
+  ( historyEventToText
+  ) where
+
+import Control.Applicative
+import Control.Lens
+import Data.Monoid         ((<>))
+import Data.Text           (Text)
+
+import qualified Data.Text             as T
+import qualified Network.AWS.SWF.Types as SWF
+
+historyEventToText :: SWF.HistoryEvent -> Text
+historyEventToText e = "HistoryEvent"
+  <> " { " <> maybe "" id eaText
+  <>   " heEventTimestamp = "  <> T.pack (show (e ^. SWF.heEventTimestamp ))
+  <> " , heEventType = "       <> T.pack (show (e ^. SWF.heEventType      ))
+  <> " , heEventId = "         <> T.pack (show (e ^. SWF.heEventId        ))
+  <> " }"
+  where eaText = Nothing
+          <|> fmap (("heWorkflowExecutionCancelRequestedEventAttributes = "                 <>) . T.pack . show) (e ^. SWF.heWorkflowExecutionCancelRequestedEventAttributes)
+          <|> fmap (("heRecordMarkerFailedEventAttributes = "                               <>) . T.pack . show) (e ^. SWF.heRecordMarkerFailedEventAttributes)
+          <|> fmap (("heRequestCancelExternalWorkflowExecutionInitiatedEventAttributes = "  <>) . T.pack . show) (e ^. SWF.heRequestCancelExternalWorkflowExecutionInitiatedEventAttributes)
+          <|> fmap (("heLambdaFunctionStartedEventAttributes = "                            <>) . T.pack . show) (e ^. SWF.heLambdaFunctionStartedEventAttributes)
+          <|> fmap (("heDecisionTaskScheduledEventAttributes = "                            <>) . T.pack . show) (e ^. SWF.heDecisionTaskScheduledEventAttributes)
+          <|> fmap (("heWorkflowExecutionCompletedEventAttributes = "                       <>) . T.pack . show) (e ^. SWF.heWorkflowExecutionCompletedEventAttributes)
+          <|> fmap (("heStartTimerFailedEventAttributes = "                                 <>) . T.pack . show) (e ^. SWF.heStartTimerFailedEventAttributes)
+          <|> fmap (("heActivityTaskScheduledEventAttributes = "                            <>) . T.pack . show) (e ^. SWF.heActivityTaskScheduledEventAttributes)
+          <|> fmap (("heScheduleActivityTaskFailedEventAttributes = "                       <>) . T.pack . show) (e ^. SWF.heScheduleActivityTaskFailedEventAttributes)
+          <|> fmap (("heChildWorkflowExecutionCompletedEventAttributes = "                  <>) . T.pack . show) (e ^. SWF.heChildWorkflowExecutionCompletedEventAttributes)
+          <|> fmap (("heMarkerRecordedEventAttributes = "                                   <>) . T.pack . show) (e ^. SWF.heMarkerRecordedEventAttributes)
+          <|> fmap (("heScheduleLambdaFunctionFailedEventAttributes = "                     <>) . T.pack . show) (e ^. SWF.heScheduleLambdaFunctionFailedEventAttributes)
+          <|> fmap (("heCompleteWorkflowExecutionFailedEventAttributes = "                  <>) . T.pack . show) (e ^. SWF.heCompleteWorkflowExecutionFailedEventAttributes)
+          <|> fmap (("heLambdaFunctionCompletedEventAttributes = "                          <>) . T.pack . show) (e ^. SWF.heLambdaFunctionCompletedEventAttributes)
+          <|> fmap (("heRequestCancelExternalWorkflowExecutionFailedEventAttributes = "     <>) . T.pack . show) (e ^. SWF.heRequestCancelExternalWorkflowExecutionFailedEventAttributes)
+          <|> fmap (("heTimerCanceledEventAttributes = "                                    <>) . T.pack . show) (e ^. SWF.heTimerCanceledEventAttributes)
+          <|> fmap (("heWorkflowExecutionStartedEventAttributes = "                         <>) . T.pack . show) (e ^. SWF.heWorkflowExecutionStartedEventAttributes)
+          <|> fmap (("heActivityTaskCompletedEventAttributes = "                            <>) . T.pack . show) (e ^. SWF.heActivityTaskCompletedEventAttributes)
+          <|> fmap (("heDecisionTaskTimedOutEventAttributes = "                             <>) . T.pack . show) (e ^. SWF.heDecisionTaskTimedOutEventAttributes)
+          <|> fmap (("heCancelTimerFailedEventAttributes = "                                <>) . T.pack . show) (e ^. SWF.heCancelTimerFailedEventAttributes)
+          <|> fmap (("heChildWorkflowExecutionStartedEventAttributes = "                    <>) . T.pack . show) (e ^. SWF.heChildWorkflowExecutionStartedEventAttributes)
+          <|> fmap (("heActivityTaskCanceledEventAttributes = "                             <>) . T.pack . show) (e ^. SWF.heActivityTaskCanceledEventAttributes)
+          <|> fmap (("heActivityTaskTimedOutEventAttributes = "                             <>) . T.pack . show) (e ^. SWF.heActivityTaskTimedOutEventAttributes)
+          <|> fmap (("heDecisionTaskStartedEventAttributes = "                              <>) . T.pack . show) (e ^. SWF.heDecisionTaskStartedEventAttributes)
+          <|> fmap (("heWorkflowExecutionTerminatedEventAttributes = "                      <>) . T.pack . show) (e ^. SWF.heWorkflowExecutionTerminatedEventAttributes)
+          <|> fmap (("heChildWorkflowExecutionCanceledEventAttributes = "                   <>) . T.pack . show) (e ^. SWF.heChildWorkflowExecutionCanceledEventAttributes)
+          <|> fmap (("heRequestCancelActivityTaskFailedEventAttributes = "                  <>) . T.pack . show) (e ^. SWF.heRequestCancelActivityTaskFailedEventAttributes)
+          <|> fmap (("heLambdaFunctionScheduledEventAttributes = "                          <>) . T.pack . show) (e ^. SWF.heLambdaFunctionScheduledEventAttributes)
+          <|> fmap (("heChildWorkflowExecutionTimedOutEventAttributes = "                   <>) . T.pack . show) (e ^. SWF.heChildWorkflowExecutionTimedOutEventAttributes)
+          <|> fmap (("heCancelWorkflowExecutionFailedEventAttributes = "                    <>) . T.pack . show) (e ^. SWF.heCancelWorkflowExecutionFailedEventAttributes)
+          <|> fmap (("heStartChildWorkflowExecutionInitiatedEventAttributes = "             <>) . T.pack . show) (e ^. SWF.heStartChildWorkflowExecutionInitiatedEventAttributes)
+          <|> fmap (("heSignalExternalWorkflowExecutionFailedEventAttributes = "            <>) . T.pack . show) (e ^. SWF.heSignalExternalWorkflowExecutionFailedEventAttributes)
+          <|> fmap (("heActivityTaskStartedEventAttributes = "                              <>) . T.pack . show) (e ^. SWF.heActivityTaskStartedEventAttributes)
+          <|> fmap (("heStartLambdaFunctionFailedEventAttributes = "                        <>) . T.pack . show) (e ^. SWF.heStartLambdaFunctionFailedEventAttributes)
+          <|> fmap (("heChildWorkflowExecutionTerminatedEventAttributes = "                 <>) . T.pack . show) (e ^. SWF.heChildWorkflowExecutionTerminatedEventAttributes)
+          <|> fmap (("heLambdaFunctionFailedEventAttributes = "                             <>) . T.pack . show) (e ^. SWF.heLambdaFunctionFailedEventAttributes)
+          <|> fmap (("heWorkflowExecutionCanceledEventAttributes = "                        <>) . T.pack . show) (e ^. SWF.heWorkflowExecutionCanceledEventAttributes)
+          <|> fmap (("heTimerStartedEventAttributes = "                                     <>) . T.pack . show) (e ^. SWF.heTimerStartedEventAttributes)
+          <|> fmap (("heActivityTaskCancelRequestedEventAttributes = "                      <>) . T.pack . show) (e ^. SWF.heActivityTaskCancelRequestedEventAttributes)
+          <|> fmap (("heWorkflowExecutionTimedOutEventAttributes = "                        <>) . T.pack . show) (e ^. SWF.heWorkflowExecutionTimedOutEventAttributes)
+          <|> fmap (("heWorkflowExecutionSignaledEventAttributes = "                        <>) . T.pack . show) (e ^. SWF.heWorkflowExecutionSignaledEventAttributes)
+          <|> fmap (("heTimerFiredEventAttributes = "                                       <>) . T.pack . show) (e ^. SWF.heTimerFiredEventAttributes)
+          <|> fmap (("heActivityTaskFailedEventAttributes = "                               <>) . T.pack . show) (e ^. SWF.heActivityTaskFailedEventAttributes)
+          <|> fmap (("heExternalWorkflowExecutionSignaledEventAttributes = "                <>) . T.pack . show) (e ^. SWF.heExternalWorkflowExecutionSignaledEventAttributes)
+          <|> fmap (("heDecisionTaskCompletedEventAttributes = "                            <>) . T.pack . show) (e ^. SWF.heDecisionTaskCompletedEventAttributes)
+          <|> fmap (("heStartChildWorkflowExecutionFailedEventAttributes = "                <>) . T.pack . show) (e ^. SWF.heStartChildWorkflowExecutionFailedEventAttributes)
+          <|> fmap (("heChildWorkflowExecutionFailedEventAttributes = "                     <>) . T.pack . show) (e ^. SWF.heChildWorkflowExecutionFailedEventAttributes)
+          <|> fmap (("heFailWorkflowExecutionFailedEventAttributes = "                      <>) . T.pack . show) (e ^. SWF.heFailWorkflowExecutionFailedEventAttributes)
+          <|> fmap (("heContinueAsNewWorkflowExecutionFailedEventAttributes = "             <>) . T.pack . show) (e ^. SWF.heContinueAsNewWorkflowExecutionFailedEventAttributes)
+          <|> fmap (("heSignalExternalWorkflowExecutionInitiatedEventAttributes = "         <>) . T.pack . show) (e ^. SWF.heSignalExternalWorkflowExecutionInitiatedEventAttributes)
+          <|> fmap (("heLambdaFunctionTimedOutEventAttributes = "                           <>) . T.pack . show) (e ^. SWF.heLambdaFunctionTimedOutEventAttributes)
+          <|> fmap (("heWorkflowExecutionFailedEventAttributes = "                          <>) . T.pack . show) (e ^. SWF.heWorkflowExecutionFailedEventAttributes)
+          <|> fmap (("heWorkflowExecutionContinuedAsNewEventAttributes = "                  <>) . T.pack . show) (e ^. SWF.heWorkflowExecutionContinuedAsNewEventAttributes)
+          <|> fmap (("heExternalWorkflowExecutionCancelRequestedEventAttributes = "         <>) . T.pack . show) (e ^. SWF.heExternalWorkflowExecutionCancelRequestedEventAttributes)
diff --git a/test/Spec.hs b/test/Spec.hs
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--- /dev/null
+++ b/test/Spec.hs
@@ -0,0 +1,1 @@
+{-# OPTIONS_GHC -F -pgmF hspec-discover #-}
