diff --git a/.gitmodules b/.gitmodules
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..ffe38aa897237d6a0627c9178402caf904fa6c9c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -0,0 +1,12 @@
+[submodule "assets/vendor/Font-Awesome"]
+	path = assets/vendor/Font-Awesome
+	url = https://github.com/FortAwesome/Font-Awesome.git
+[submodule "assets/vendor/bootstrap"]
+	path = assets/vendor/bootstrap
+	url = https://github.com/twbs/bootstrap.git
+[submodule "assets/vendor/MathJax"]
+	path = assets/vendor/MathJax
+	url = https://github.com/mathjax/MathJax.git
+[submodule "assets/vendor/jquery"]
+	path = assets/vendor/jquery
+	url = https://github.com/jquery/jquery.git
diff --git a/_data/navigation.yml b/_data/navigation.yml
index 7166d2b28f75a4b65ca71fa4151f6c956483ea88..5b44669dcb6fe6b127edf5b80042712a0c9b3891 100644
--- a/_data/navigation.yml
+++ b/_data/navigation.yml
@@ -15,7 +15,7 @@ header:
           url: "news/"
 
         - title: "Events + Courses"
-          url: "events"
+          url: "events/"
 
         - title: Guidelines
           url: "guidelines/"
diff --git a/assets/vendor/Font-Awesome b/assets/vendor/Font-Awesome
new file mode 160000
index 0000000000000000000000000000000000000000..1147d199a35293b391152ee85e2d30988439157f
--- /dev/null
+++ b/assets/vendor/Font-Awesome
@@ -0,0 +1 @@
+Subproject commit 1147d199a35293b391152ee85e2d30988439157f
diff --git a/assets/vendor/MathJax b/assets/vendor/MathJax
new file mode 160000
index 0000000000000000000000000000000000000000..72aba4aafd2ebfb1bda3c9445c69f4b2e7956b84
--- /dev/null
+++ b/assets/vendor/MathJax
@@ -0,0 +1 @@
+Subproject commit 72aba4aafd2ebfb1bda3c9445c69f4b2e7956b84
diff --git a/assets/vendor/bootstrap b/assets/vendor/bootstrap
new file mode 160000
index 0000000000000000000000000000000000000000..7a6da5e3e7ad7c749dde806546a35d4d4259d965
--- /dev/null
+++ b/assets/vendor/bootstrap
@@ -0,0 +1 @@
+Subproject commit 7a6da5e3e7ad7c749dde806546a35d4d4259d965
diff --git a/assets/vendor/jquery b/assets/vendor/jquery
new file mode 160000
index 0000000000000000000000000000000000000000..e1cffdef277fcf543833a20d28cbadcd000ebece
--- /dev/null
+++ b/assets/vendor/jquery
@@ -0,0 +1 @@
+Subproject commit e1cffdef277fcf543833a20d28cbadcd000ebece