diff --git a/xmpp-displayed_markers.go b/xmpp-displayed_markers.go
new file mode 100644
index 0000000..260539d
--- /dev/null
+++ b/xmpp-displayed_markers.go
@@ -0,0 +1,19 @@
+package main
+
+// Partial implementation of XEP-0333: Displayed Markers
+// https://xmpp.org/extensions/xep-0333.html
+
+import (
+	"encoding/xml"
+	"gosrc.io/xmpp/stanza"
+)
+
+type Marker struct {
+	stanza.MsgExtension
+	XMLName xml.Name `xml:"urn:xmpp:chat-markers:0 displayed"`
+	ID      string   `xml:"id,attr"`
+}
+
+func init() {
+	stanza.TypeRegistry.MapExtension(stanza.PKTMessage, xml.Name{Space: "urn:xmpp:reply:0", Local: "displayed"}, Marker{})
+}