diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 0a5475d6c..e39f45491 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -302,6 +302,7 @@ All definitions files include a header with the author and editors, so at some p
 * [Teechart](http://www.steema.com) (by [Steema](http://www.steema.com))
 * [text-buffer](https://github.com/atom/text-buffer) (by [vvakame](https://github.com/vvakame))
 * [three.js](http://mrdoob.github.com/three.js/) (by [Kon](http://phyzkit.net/))
+* [TimelineJS](https://github.com/NUKnightLab/TimelineJS) (by [Roland Zwaga](https://github.com/rolandzwaga))
 * [Toastr](https://github.com/CodeSeven/toastr) (by [Boris Yankov](https://github.com/borisyankov))
 * [trunk8](https://github.com/rviscomi/trunk8) (by [Blake Niemyjski](https://github.com/niemyjski))
 * [TweenJS](http://www.createjs.com/#!/TweenJS) (by [Pedro Ferreira](https://bitbucket.org/drk4))
diff --git a/timelinejs/timelinejs-tests.ts b/timelinejs/timelinejs-tests.ts
new file mode 100644
index 000000000..da6aef966
--- /dev/null
+++ b/timelinejs/timelinejs-tests.ts
@@ -0,0 +1,41 @@
+/**
+ * Created by Roland on 6/15/2014.
+ */
+///<reference path='timelinejs.d.ts'/>
+
+var timelineSource:knightlab.ITimelineModel = {
+    timeline: {
+        headline: 'Test Headline',
+        type: 'default',
+        text: 'Test Text',
+        asset: {
+            media: 'http://www.vertex42.com/ExcelArticles/Images/timeline/Timeline-for-Benjamin-Franklin.gif',
+            credit: 'http://www.vertex42.com',
+            caption: 'Test Caption'
+        },
+        date: [
+            {
+                startDate: '2011,12,09',
+                endDate: '2011,12,10',
+                headline: 'Test Date Headline',
+                text: 'Test test test test'
+            },
+            {
+                startDate: '2012,12,09',
+                endDate: '2012,12,10',
+                headline: 'Test Date Headline 2',
+                text: 'Test2 test2 test2 test2'
+            }
+        ]
+    }
+};
+
+var source:knightlab.ITimeLineConfiguration = {
+    width: '100%',
+    height: '100%',
+    type: 'timeline',
+    embed_id: 'test',
+    source: timelineSource
+};
+
+createStoryJS(source);
\ No newline at end of file
diff --git a/timelinejs/timelinejs.d.ts b/timelinejs/timelinejs.d.ts
new file mode 100644
index 000000000..6101b93aa
--- /dev/null
+++ b/timelinejs/timelinejs.d.ts
@@ -0,0 +1,136 @@
+// Type definitions for timelinejs
+// Project: https://github.com/NUKnightLab/TimelineJS
+// Definitions by: Roland Zwaga <https://github.com/rolandzwaga>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare function createStoryJS(config:knightlab.ITimeLineConfiguration):void;
+
+declare module knightlab {
+
+    export interface ITimeLineConfiguration {
+        width: string;
+        height: string;
+        /*
+         * path to json/ or link to googlespreadsheet
+         * source Should be either the path to the JSON resource to load, or a JavaScript object corresponding to the
+         * Timeline model.
+         *
+         * Here is an example using a data object:
+         *
+         * var dataObject = {timeline: {headline: "Headline", type: ... }}
+         * createStoryJS({
+         * type:       'timeline',
+         * width:      '800',
+         * height:     '600',
+         * source:     dataObject,
+         * embed_id:   'my-timeline'
+         * });
+         * If source is a string, we will try to automatically recognize resources that are Twitter searches, Google
+         * Spreadsheets or Storify stories. Failing that, we assume the source is either JSON or JSONP. If string
+         * matches on .jsonp, we will treat it as JSONP, otherwise, we will append ?callback=onJSONP_Data.
+         */
+        source: any;
+        type?: string;
+        /*
+         * Optional use a different div id for embed
+         */
+        embed_id?: string;
+        /*
+         * Optional start at latest date
+         */
+        start_at_end?: boolean;
+        /*
+         * Optional start at specific slide
+         */
+        start_at_slide?: string;
+        /*
+         * Optional tweak the default zoom level
+         */
+        start_zoom_adjust?: string;
+        /*
+         * Optional location bar hashes
+         */
+        hash_bookmark?: boolean;
+        /*
+         * Optional font
+         */
+        font?: string;
+        /*
+         * Optional debug to console
+         */
+        debug?: boolean;
+        /*
+         * Optional language
+         */
+        lang?: string;
+        /*
+         * Optional path to css
+         */
+        css?: string;
+        /*
+         * Optional path to js
+         */
+        js?: string;
+        /*
+         * required in order to use maptype
+         */
+        gmap_key?: string;
+        /*
+         * Stamen Maps:
+         * toner
+         * toner-lines
+         * toner-labels
+         * watercolor
+         * sterrain
+         *
+         * Google Maps:
+         * ROADMAP
+         * TERRAIN
+         * HYBRID
+         * SATELLITE
+         *
+         * OpenStreetMap:
+         * osm
+         */
+        maptype?: string;
+    }
+
+    export interface ITimelineModel {
+        timeline:ITimeLine;
+    }
+
+    export interface ITimeLine {
+        headline?:string;
+        type?:string;
+        text?:string;
+        asset?:ITimeLineAsset;
+        date?:ITimelineDate[];
+        era?:ITimelineEra[];
+    }
+
+    export interface ITimeLineAsset {
+        media:string;
+        thumbnail?:string;
+        credit:string;
+        caption:string;
+    }
+
+    export interface ITimelineDate extends ITimelineEra {
+        classname?:string;
+        asset?:ITimeLineAsset;
+    }
+
+    export interface ITimelineEra {
+        /*
+         * format example: 2011,12,10
+         */
+        startDate:string;
+        /*
+         * format example: 2011,12,10
+         */
+        endDate:string;
+        headline:string;
+        text:string;
+        tag?:string;
+    }
+}
\ No newline at end of file