diff --git a/src/dev/onionpancakes/chassis/compiler.clj b/src/dev/onionpancakes/chassis/compiler.clj
index 8d91c7b..a91518d 100644
--- a/src/dev/onionpancakes/chassis/compiler.clj
+++ b/src/dev/onionpancakes/chassis/compiler.clj
@@ -273,6 +273,18 @@
         ;; Works for now...
         (if (constant? val) val this))
       this))
+  java.util.Date
+  (attrs? [_] false)
+  (not-attrs? [_] true)
+  (constant? [_] false) ; Not constant because not immutable.
+  (evaluated? [_] true)
+  (resolved [this] this)
+  java.util.UUID
+  (attrs? [_] false)
+  (not-attrs? [_] true)
+  (constant? [_] true)
+  (evaluated? [_] true)
+  (resolved [this] this)
   String
   (attrs? [_] false)
   (not-attrs? [_] true)
diff --git a/test/dev/onionpancakes/chassis/tests/test_compiler.clj b/test/dev/onionpancakes/chassis/tests/test_compiler.clj
index adf62da..f298538 100644
--- a/test/dev/onionpancakes/chassis/tests/test_compiler.clj
+++ b/test/dev/onionpancakes/chassis/tests/test_compiler.clj
@@ -46,6 +46,8 @@
     #{}
     '()
     []
+    #inst "2007-01-04"
+    #uuid "00000000-0000-0000-0000-000000000000"
     
     [:div]
     [:div nil]
@@ -140,12 +142,15 @@
     0.0M
     3/2
     ""
+    #uuid "00000000-0000-0000-0000-000000000000"
+   
     [:div]
     [:div#foo.bar "123"]
     [:div {:foo "bar"} "123"]
     [:div [:p "foo"] [:p "bar"]]
     [:div [1 2 3 4]]
     [:div #{1 2 3 4}]
+    [:div #uuid "00000000-0000-0000-0000-000000000000"]
 
     ;; Macros
     (example-elem-macro "123")
@@ -168,6 +173,8 @@
     0.0M
     3/2
     ""
+    #uuid "00000000-0000-0000-0000-000000000000"
+
     (short 0)
     (int 0)
     (long 0)
@@ -183,6 +190,7 @@
     [:div [:p "foo"] [:p "bar"]]
     [:div [1 2 3 4]]
     [:div #{1 2 3 4}]
+    [:div #uuid "00000000-0000-0000-0000-000000000000"]
 
     ;; Alias
     [::Foo]
@@ -219,6 +227,10 @@
 (do
   ;; Compile attrs reflection examples
 
+  ;; Tagged literals
+  (cc/compile [:div #inst "2007-01-04"])
+  (cc/compile [:div #uuid "00000000-0000-0000-0000-000000000000"])
+
   ;; java.util.Map
   (let [attrs nil]
     (cc/compile [:div ^java.util.Map attrs "foobar"]))