diff --git a/Octokit.Reactive/Clients/IObservableActivitiesClient.cs b/Octokit.Reactive/Clients/IObservableActivitiesClient.cs
new file mode 100644
index 00000000..f3e87650
--- /dev/null
+++ b/Octokit.Reactive/Clients/IObservableActivitiesClient.cs
@@ -0,0 +1,7 @@
+namespace Octokit.Reactive
+{
+    public interface IObservableActivitiesClient
+    {
+        IObservableEventsClient Event{ get; }
+    }
+}
\ No newline at end of file
diff --git a/Octokit.Reactive/Clients/ObservableActivitiesClient.cs b/Octokit.Reactive/Clients/ObservableActivitiesClient.cs
new file mode 100644
index 00000000..f5ee1f97
--- /dev/null
+++ b/Octokit.Reactive/Clients/ObservableActivitiesClient.cs
@@ -0,0 +1,13 @@
+namespace Octokit.Reactive
+{
+    public class ObservableActivitiesClient : IObservableActivitiesClient
+    {
+        public ObservableActivitiesClient(IGitHubClient client)
+        {
+            Ensure.ArgumentNotNull(client, "client");
+
+            Event = new ObservableEventsClient(client);
+        }
+        public IObservableEventsClient Event { get; private set; }
+    }
+}
\ No newline at end of file
diff --git a/Octokit.Reactive/IObservableGitHubClient.cs b/Octokit.Reactive/IObservableGitHubClient.cs
index 60f6854d..03840f00 100644
--- a/Octokit.Reactive/IObservableGitHubClient.cs
+++ b/Octokit.Reactive/IObservableGitHubClient.cs
@@ -5,6 +5,7 @@
         IConnection Connection { get; }
 
         IObservableAuthorizationsClient Authorization { get; }
+        IObservableActivitiesClient Activity { get; }
         IObservableMiscellaneousClient Miscellaneous { get; }
         IObservableOrganizationsClient Organization { get; }
         IObservableRepositoriesClient Repository { get; }
diff --git a/Octokit.Reactive/ObservableGitHubClient.cs b/Octokit.Reactive/ObservableGitHubClient.cs
index 290d4ee1..3a023804 100644
--- a/Octokit.Reactive/ObservableGitHubClient.cs
+++ b/Octokit.Reactive/ObservableGitHubClient.cs
@@ -34,6 +34,7 @@ namespace Octokit.Reactive
 
             _gitHubClient = gitHubClient;
             Authorization = new ObservableAuthorizationsClient(gitHubClient);
+            Activity = new ObservableActivitiesClient(gitHubClient);
             Miscellaneous = new ObservableMiscellaneousClient(gitHubClient.Miscellaneous);
             Notification = new ObservableNotificationsClient(gitHubClient);
             Organization = new ObservableOrganizationsClient(gitHubClient);
@@ -50,6 +51,7 @@ namespace Octokit.Reactive
         }
 
         public IObservableAuthorizationsClient Authorization { get; private set; }
+        public IObservableActivitiesClient Activity { get; private set; }
         public IObservableMiscellaneousClient Miscellaneous { get; private set; }
         public IObservableNotificationsClient Notification { get; private set; }
         public IObservableOrganizationsClient Organization { get; private set; }
diff --git a/Octokit.Reactive/Octokit.Reactive.csproj b/Octokit.Reactive/Octokit.Reactive.csproj
index ddd17a18..493f29cc 100644
--- a/Octokit.Reactive/Octokit.Reactive.csproj
+++ b/Octokit.Reactive/Octokit.Reactive.csproj
@@ -105,12 +105,14 @@
     <Compile Include="Helpers\ObservableExtensions.cs" />
     <Compile Include="Clients\IObservableAuthorizationsClient.cs" />
     <Compile Include="Clients\IObservableMiscellaneousClient.cs" />
+    <Compile Include="Clients\IObservableActivitiesClient.cs" />
     <Compile Include="IObservableGitHubClient.cs" />
     <Compile Include="Clients\IObservableReleasesClient.cs" />
     <Compile Include="Clients\IObservableRepositoriesClient.cs" />
     <Compile Include="Clients\IObservableOrganizationsClient.cs" />
     <Compile Include="Clients\IObservableSshKeysClient.cs" />
     <Compile Include="Clients\IObservableUsersClient.cs" />
+    <Compile Include="Clients\ObservableActivitiesClient.cs" />
     <Compile Include="ObservableGitHubClient.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>