Add Node Knockout to the events page

Closes #311

Author: lpinca

locale/en/get-involved/events.md

@@ -5,7 +5,13 @@ layout: contribute.hbs
 
 # Node Events
 
-The Node.js community is committed to bringing you events from around the world, currently spanning the US, Europe and Japan.
+The Node.js community is committed to bringing you events from around the world.
+
+<hr>
+
+## Online
+
+- [Node Knockout](http://www.nodeknockout.com/) Node Knockout is a 48 hour online hackathon. Compete from anywhere in the world, create a Node app and win prizes! There are a few more team spots available, so sign up before it's too late.
 
 <hr>
 
@@ -37,4 +43,4 @@ The Node.js community is committed to bringing you events from around the world,
 
 - [JSConf](http://jsconf.com/) organizes the main JavaScript conferences.
 
-- [NodeConf ONE-SHOT](http://oneshot.nodeconf.com/) are fork-able conferences for a local communities
+- [NodeConf ONE-SHOT](http://oneshot.nodeconf.com/) are fork-able conferences for local communities.