diff --git a/js/swad20.6.2.js b/js/swad20.69.js
similarity index 98%
rename from js/swad20.6.2.js
rename to js/swad20.69.js
index 9b0c36c5..e0369b1a 100644
--- a/js/swad20.6.2.js
+++ b/js/swad20.69.js
@@ -924,8 +924,8 @@ function readNewTimelineData () {
 			if (justNowTimeline) {
 				justNowTimeline.innerHTML = objXMLHttpReqNewTL.responseText;	// Update list of publications in just now timeline		
 
-				var countJustNowTimeline = justNowTimeline.childNodes.length;
-				if (countJustNowTimeline) {	// New pubs just retrieved
+				var numNotesJustGot = justNowTimeline.childNodes.length;
+				if (numNotesJustGot) {	// New notes just received
 					// Scripts in timeline got via AJAX are not executed ==> execute them
 					evalScriptsInElem (justNowTimeline);
 
@@ -934,10 +934,10 @@ function readNewTimelineData () {
 					MathJax.typeset();
 
 					// Move just received timeline to top of new timeline
-					var newTimeline = document.getElementById('new_timeline_list');		// Access to UL with the new timeline
-
-					// Move all the LI elements in UL 'just_now_timeline_list' to the top of UL 'new_timeline_list'
-					for (var i=0; i<countJustNowTimeline; i++)
+					// (move all the LI elements (notes) in UL 'just_now_timeline_list'...
+					// ...to the top of UL 'new_timeline_list')
+					var newTimeline = document.getElementById('new_timeline_list');	// Access to UL with the new timeline
+					for (var i=0; i<numNotesJustGot; i++)
 						newTimeline.insertBefore(justNowTimeline.lastChild, newTimeline.childNodes[0]);
 
 					// Update number of new posts
@@ -962,14 +962,35 @@ function readNewTimelineData () {
 /*****************************************************************************/
 
 function moveNewTimelineToTimeline () {
-	// Move all the LI elements in UL 'new_timeline_list' to the top of UL 'timeline_list'
+	// Move the LI elements (notes) in UL 'new_timeline_list'...
+	// ...to the top of UL 'timeline_list', only if not repeated before
 	var newTimeline = document.getElementById('new_timeline_list');
-	var countNewTimeline = newTimeline.childNodes.length;
-	if (countNewTimeline) {
+	var numNewNotes = newTimeline.childNodes.length;
+
+	if (numNewNotes) {
 		var timeline = document.getElementById("timeline_list");
-		for (var i=0; i<countNewTimeline; i++) {
-			timeline.insertBefore(newTimeline.lastChild, timeline.childNodes[0]);
-			timeline.childNodes[0].className += " TL_NEW_PUB";
+
+		for (var i=1; i<=numNewNotes; i++) {
+			// Check if the last child (the oldest) in the new timeline...
+			// ...is the last ocurrence of the note
+			var mostRecentOcurrenceOfNote = true;
+			var lastChildIndex = numNewNotes - i;
+
+			for (var j=0; j<lastChildIndex; j++)
+				if (newTimeline.childNodes[j].dataset.noteCode == newTimeline.lastChild.dataset.noteCode) {
+					mostRecentOcurrenceOfNote = false;
+					break;
+				}
+
+			// Move or remove node from new timeline
+			if (mostRecentOcurrenceOfNote) {
+				// Move node from new timeline to timeline
+				timeline.insertBefore(newTimeline.lastChild, timeline.childNodes[0]);
+				timeline.childNodes[0].className += " TL_NEW_PUB";
+			}
+			else
+				// Remove last child (because is repeated in more recent pubs)
+				newTimeline.removeChild(newTimeline.lastChild);
 		}
     }
 
diff --git a/swad_changelog.h b/swad_changelog.h
index 6f9e1d65..8f7acb20 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -600,13 +600,14 @@ TODO: Salvador Romero Cort
 
 TODO: FIX BUG, URGENT! En las fechas como parámetro Dat_WriteParamsIniEndDates(), por ejemplo al cambiar el color de la gráfica de accesos por día y hora, no se respeta la zona horaria.
 */
-#define Log_PLATFORM_VERSION	"SWAD 20.68.8 (2021-04-30)"
+#define Log_PLATFORM_VERSION	"SWAD 20.69 (2021-04-30)"
 #define CSS_FILE		"swad20.45.css"
-#define JS_FILE			"swad20.6.2.js"
+#define JS_FILE			"swad20.69.js"
 /*
 TODO: Rename CENTRE to CENTER in help wiki.
 TODO: Rename ASSESSMENT.Announcements to ASSESSMENT.Calls_for_exams
 
+	Version 20.69:    Apr 30, 2021  Changes in timeline to not repeat notes in new activity. (309773 lines)
 	Version 20.68.8:  Apr 30, 2021  Code refactoring in timeline. (309751 lines)
 	Version 20.68.7:  Apr 29, 2021  Code refactoring in timeline. (309749 lines)
 	Version 20.68.6:  Apr 29, 2021  Code refactoring in timeline. (309738 lines)
diff --git a/swad_timeline_publication.c b/swad_timeline_publication.c
index a1f3c9f0..95035fc4 100644
--- a/swad_timeline_publication.c
+++ b/swad_timeline_publication.c
@@ -363,7 +363,10 @@ void Tml_Pub_InsertNewPubsInTimeline (struct Tml_Timeline *Timeline)
       Tml_Not_GetDataOfNoteByCod (&Not);
 
       /* Write note */
-      HTM_LI_Begin ("class=\"TL_WIDTH TL_SEP TL_NEW_PUB\"");
+      HTM_LI_Begin ("class=\"TL_WIDTH TL_SEP TL_NEW_PUB\""
+	            " data-note-code=\"%ld\"",	// Note code to be read later...
+                    Not.NotCod);		// ...from JavaScript...
+						// ...to avoid repeating notes
 	 Tml_Not_CheckAndWriteNoteWithTopMsg (Timeline,&Not,
 					      Tml_Pub_GetTopMessage (Pub->PubType),
 					      Pub->PublisherCod);