diff --git a/pkgs/gui-pkgs/gui-doc/scribblings/gui/key-event-class.scrbl b/pkgs/gui-pkgs/gui-doc/scribblings/gui/key-event-class.scrbl
index cc93704d5f..76e84dcc22 100644
--- a/pkgs/gui-pkgs/gui-doc/scribblings/gui/key-event-class.scrbl
+++ b/pkgs/gui-pkgs/gui-doc/scribblings/gui/key-event-class.scrbl
@@ -20,24 +20,26 @@ See also @|mousekeydiscuss|.
                  [shift-down any/c #f]
                  [control-down any/c #f]
                  [meta-down any/c #f]
-                 [mod3-down any/c #f]
-                 [mod4-down any/c #f]
-                 [mod5-down any/c #f]
                  [alt-down any/c #f]
                  [x exact-integer? 0]
                  [y exact-integer? 0]
                  [time-stamp exact-integer? 0]
-                 [caps-down any/c #f])]{
+                 [caps-down any/c #f]
+                 [mod3-down any/c #f]
+                 [mod4-down any/c #f]
+                 [mod5-down any/c #f])]{
 
 See the corresponding @racketidfont{get-} and @racketidfont{set-}
  methods for information about @racket[key-code], @racket[shift-down],
  @racket[control-down], @racket[meta-down], @racket[mod3-down], @racket[mod4-down],
  @racket[mod5-down], @racket[alt-down], @racket[x], @racket[y], 
- @racket[time-stamp], @racket[caps-down].
+ @racket[time-stamp], @racket[caps-down], @racket[mod3-down],
+ @racket[mod4-down], and @racket[mod5-down].
 
 The release key code, as returned by @method[key-event%
 get-key-release-code], is initialized to @racket['press].
 
+@history[#:changed "1.1" @elem{Added @racket[mod3-down], @racket[mod4-down], and @racket[mod5-down].}]
 }
 
 @defmethod[(get-alt-down)
@@ -214,21 +216,21 @@ Returns @racket[#t] if the Meta (Unix), Alt (Windows), or Command (Mac OS
 
 Returns @racket[#t] if the Mod3 (Unix) key was down for the event.
 
-}
+@history[#:added "1.1"]}
 
 @defmethod[(get-mod4-down)
            boolean?]{
 
 Returns @racket[#t] if the Mod4 (Unix) key was down for the event.
 
-}
+@history[#:added "1.1"]}
 
 @defmethod[(get-mod5-down)
            boolean?]{
 
 Returns @racket[#t] if the Mod5 (Unix) key was down for the event.
 
-}
+@history[#:added "1.1"]}
 
 @defmethod[(get-other-altgr-key-code)
            (or/c char? key-code-symbol? #f)]{
@@ -369,21 +371,21 @@ Sets whether the Meta (Unix), Alt (Windows), or Command (Mac OS X) key
 
 Sets whether the Mod3 (Unix) key was down for the event.
 
-}
+@history[#:added "1.1"]}
 
 @defmethod[(set-mod4-down [down? any/c])
            void?]{
 
 Sets whether the Mod4 (Unix) key was down for the event.
 
-}
+@history[#:added "1.1"]}
 
 @defmethod[(set-mod5-down [down? any/c])
            void?]{
 
 Sets whether the Mod5 (Unix) key was down for the event.
 
-}
+@history[#:added "1.1"]}
 
 @defmethod[(set-other-altgr-key-code [code (or/c char? key-code-symbol? #f)])
            void?]{
diff --git a/pkgs/gui-pkgs/gui-doc/scribblings/gui/mouse-event-class.scrbl b/pkgs/gui-pkgs/gui-doc/scribblings/gui/mouse-event-class.scrbl
index dea4779ee5..44832a2fe0 100644
--- a/pkgs/gui-pkgs/gui-doc/scribblings/gui/mouse-event-class.scrbl
+++ b/pkgs/gui-pkgs/gui-doc/scribblings/gui/mouse-event-class.scrbl
@@ -26,7 +26,10 @@ See also @|mousekeydiscuss|.
                  [meta-down any/c #f]
                  [alt-down any/c #f]
                  [time-stamp exact-integer? 0]
-                 [caps-down any/c #f])]{
+                 [caps-down any/c #f]
+                 [mod3-down any/c #f]
+                 [mod4-down any/c #f]
+                 [mod5-down any/c #f])]{
 
 Creates a mouse event for a particular type of event. The event types
  are:
@@ -47,8 +50,10 @@ See the corresponding @racketidfont{get-} and @racketidfont{set-}
  methods for information about @racket[left-down],
  @racket[middle-down], @racket[right-down], @racket[x], @racket[y],
  @racket[shift-down], @racket[control-down], @racket[meta-down],
- @racket[alt-down], @racket[time-stamp], and @racket[caps-down].
+ @racket[alt-down], @racket[time-stamp], @racket[caps-down], @racket[mod3-down],
+ @racket[mod4-down], and @racket[mod5-down].
 
+@history[#:changed "1.1" @elem{Added @racket[mod3-down], @racket[mod4-down], and @racket[mod5-down].}]
 }
 
 @defmethod[(button-changed? [button (or/c 'left 'middle 'right 'any) 'any])
@@ -175,6 +180,27 @@ Returns @racket[#t] if the middle mouse button was down (but not
 
 }
 
+@defmethod[(get-mod3-down)
+           boolean?]{
+
+Returns @racket[#t] if the Mod3 (Unix) key was down for the event.
+
+@history[#:added "1.1"]}
+
+@defmethod[(get-mod4-down)
+           boolean?]{
+
+Returns @racket[#t] if the Mod4 (Unix) key was down for the event.
+
+@history[#:added "1.1"]}
+
+@defmethod[(get-mod5-down)
+           boolean?]{
+
+Returns @racket[#t] if the Mod5 (Unix) key was down for the event.
+
+@history[#:added "1.1"]}
+
 @defmethod[(get-right-down)
            boolean?]{
 
@@ -288,6 +314,27 @@ Sets whether the middle mouse button was down (but not pressed) for
 
 }
 
+@defmethod[(set-mod3-down [down? any/c])
+           void?]{
+
+Sets whether the Mod3 (Unix) key was down for the event.
+
+@history[#:added "1.1"]}
+
+@defmethod[(set-mod4-down [down? any/c])
+           void?]{
+
+Sets whether the Mod4 (Unix) key was down for the event.
+
+@history[#:added "1.1"]}
+
+@defmethod[(set-mod5-down [down? any/c])
+           void?]{
+
+Sets whether the Mod5 (Unix) key was down for the event.
+
+@history[#:added "1.1"]}
+
 @defmethod[(set-right-down [down? any/c])
            void?]{
 
diff --git a/pkgs/gui-pkgs/gui-lib/mred/private/wx/common/event.rkt b/pkgs/gui-pkgs/gui-lib/mred/private/wx/common/event.rkt
index 0cd86d4177..bcb6bc0f89 100644
--- a/pkgs/gui-pkgs/gui-lib/mred/private/wx/common/event.rkt
+++ b/pkgs/gui-pkgs/gui-lib/mred/private/wx/common/event.rkt
@@ -29,7 +29,10 @@
                    [[bool? meta-down] #f]
                    [[bool? alt-down] #f])
   (init [time-stamp 0])
-  (init-properties [[bool? caps-down] #f])
+  (init-properties [[bool? caps-down] #f]
+                   [[bool? mod3-down] #f]
+                   [[bool? mod4-down] #f]
+                   [[bool? mod5-down] #f])
   (super-new [time-stamp time-stamp])
 
   (def/public (button-changed? [(symbol-in left middle right any) [button 'any]])
@@ -77,14 +80,14 @@
                    [[bool? shift-down] #f]
                    [[bool? control-down] #f]
                    [[bool? meta-down] #f]
-                   [[bool? mod3-down] #f]
-                   [[bool? mod4-down] #f]
-                   [[bool? mod5-down] #f]
                    [[bool? alt-down] #f]
                    [[exact-integer? x] 0]
                    [[exact-integer? y] 0])
   (init [time-stamp 0])
-  (init-properties [[bool? caps-down] #f])
+  (init-properties [[bool? caps-down] #f]
+                   [[bool? mod3-down] #f]
+                   [[bool? mod4-down] #f]
+                   [[bool? mod5-down] #f])
   (properties [[(make-alts symbol? char?) key-release-code] 'press]
               [[(make-or-false (make-alts symbol? char?)) other-shift-key-code] #f]
               [[(make-or-false (make-alts symbol? char?)) other-altgr-key-code] #f]
diff --git a/pkgs/gui-pkgs/gui-lib/mred/private/wx/gtk/window.rkt b/pkgs/gui-pkgs/gui-lib/mred/private/wx/gtk/window.rkt
index 903a27e248..27d099a841 100644
--- a/pkgs/gui-pkgs/gui-lib/mred/private/wx/gtk/window.rkt
+++ b/pkgs/gui-pkgs/gui-lib/mred/private/wx/gtk/window.rkt
@@ -395,6 +395,9 @@
                             [control-down (bit? modifiers GDK_CONTROL_MASK)]
                             [meta-down (bit? modifiers GDK_META_MASK)]
                             [alt-down (bit? modifiers GDK_MOD1_MASK)]
+                            [mod3-down (bit? modifiers GDK_MOD3_MASK)]
+                            [mod4-down (bit? modifiers GDK_MOD4_MASK)]
+                            [mod5-down (bit? modifiers GDK_MOD5_MASK)]
                             [time-stamp ((if motion? GdkEventMotion-time 
                                              (if crossing? GdkEventCrossing-time GdkEventButton-time))
                                          event)]
diff --git a/pkgs/gui-pkgs/gui-test/tests/gracket/showkey.rkt b/pkgs/gui-pkgs/gui-test/tests/gracket/showkey.rkt
index 9f7705ec2e..37f1fcefde 100644
--- a/pkgs/gui-pkgs/gui-test/tests/gracket/showkey.rkt
+++ b/pkgs/gui-pkgs/gui-test/tests/gracket/showkey.rkt
@@ -16,7 +16,7 @@
     (class canvas%
       (super-new)
       (define/override (on-event ev)
-        (printf "~a~a MOUSE ~a (~a,~a)\n  mods:~a~a~a~a~a\n  buttons:~a~a~a~a~a~a~a\n" 
+        (printf "~a~a MOUSE ~a (~a,~a)\n  mods:~a~a~a~a~a~a~a~a\n  buttons:~a~a~a~a~a~a~a\n" 
                 (es-check)
                 iter
                 (send ev get-event-type)
@@ -27,6 +27,9 @@
                 (if (send ev get-alt-down) " ALT" "")
                 (if (send ev get-shift-down) " SHIFT" "")
                 (if (send ev get-caps-down) " CAPS" "")
+                (if (send ev get-mod3-down) " MOD3" "")
+                (if (send ev get-mod4-down) " MOD4" "")
+                (if (send ev get-mod5-down) " MOD5" "")
                 (if (send ev get-left-down) " LEFT" "")
                 (if (send ev get-middle-down) " MIDDLE" "")
                 (if (send ev get-right-down) " RIGHT" "")
@@ -44,7 +47,7 @@
                     "")))
       (define/override (on-char ev)
         (set! iter (add1 iter))
-        (printf "~a~a KEY: ~a\n  rel-code: ~a\n  other-codes: ~a\n  mods:~a~a~a~a~a\n" 
+        (printf "~a~a KEY: ~a\n  rel-code: ~a\n  other-codes: ~a\n  mods:~a~a~a~a~a~a~a~a\n" 
                 (es-check)
                 iter
                 (let ([v (send ev get-key-code)])
@@ -69,7 +72,10 @@
                 (if (send ev get-control-down) " CTL" "")
                 (if (send ev get-alt-down) " ALT" "")
                 (if (send ev get-shift-down) " SHIFT" "")
-                (if (send ev get-caps-down) " CAPS" "")))))
+                (if (send ev get-caps-down) " CAPS" "")
+                (if (send ev get-mod3-down) " MOD3" "")
+                (if (send ev get-mod4-down) " MOD4" "")
+                (if (send ev get-mod5-down) " MOD5" "")))))
   (define f (make-object (class frame%
                            (inherit accept-drop-files)
                            (define/override (on-drop-file file)
diff --git a/pkgs/gui-pkgs/gui-test/tests/gracket/windowing.rktl b/pkgs/gui-pkgs/gui-test/tests/gracket/windowing.rktl
index 134f8f986b..c39a590cb0 100644
--- a/pkgs/gui-pkgs/gui-test/tests/gracket/windowing.rktl
+++ b/pkgs/gui-pkgs/gui-test/tests/gracket/windowing.rktl
@@ -1112,4 +1112,65 @@
 (panel-tests frame% #f)
 (panel-tests dialog% 'dialog)
 
+(let ([e (make-object mouse-event%
+                      'motion
+                      #t ; left
+                      #f ; middle
+                      #f ; right
+                      11 ; x
+                      33 ; y
+                      #t ; shift
+                      #f ; control
+                      #t ; meta
+                      #f ; alt
+                      13 ; timestamp
+                      #f ; caps
+                      #t ; mod3
+                      #f ; mod4
+                      #t ; mod5
+                      )])
+  (st 'motion e get-event-type)
+  (st #t e get-left-down)
+  (st #f e get-middle-down)
+  (st #f e get-right-down)
+  (st 11 e get-x) 
+  (st 33 e get-y)
+  (st #t e get-shift-down)
+  (st #f e get-control-down)
+  (st #t e get-meta-down)
+  (st #f e get-alt-down)
+  (st 13 e get-time-stamp)
+  (st #f e get-caps-down)
+  (st #t e get-mod3-down)
+  (st #f e get-mod4-down)
+  (st #t e get-mod5-down))
+
+(let ([e (make-object key-event%
+                      #\x
+                      #t ; shift
+                      #f ; control
+                      #t ; meta
+                      #f ; alt
+                      11 ; x
+                      33 ; y
+                      13 ; timestamp
+                      #f ; caps
+                      #t ; mod3
+                      #f ; mod4
+                      #t ; mod5
+                      )])
+  (st #\x e get-key-code)
+  (st 'press e get-key-release-code)
+  (st 11 e get-x) 
+  (st 33 e get-y)
+  (st #t e get-shift-down)
+  (st #f e get-control-down)
+  (st #t e get-meta-down)
+  (st #f e get-alt-down)
+  (st 13 e get-time-stamp)
+  (st #f e get-caps-down)
+  (st #t e get-mod3-down)
+  (st #f e get-mod4-down)
+  (st #t e get-mod5-down))
+
 (report-errs)