diff --git a/assets/css/style.scss b/assets/css/style.scss
index 89d7fec..e900fb5 100644
--- a/assets/css/style.scss
+++ b/assets/css/style.scss
@@ -515,6 +515,11 @@ select {
 	}
 }
 
+.oldcontent {
+	padding: 5px;
+	@include color-border(border, 1px, solid, border);
+}
+
 .content {
 	a {
 		font-weight: 700;
diff --git a/i18n/de.yaml b/i18n/de.yaml
index d300f21..a0c198e 100644
--- a/i18n/de.yaml
+++ b/i18n/de.yaml
@@ -56,4 +56,7 @@
   translation: "Interaktionen"
 
 - id: translations
-  translation: Übersetzungen
\ No newline at end of file
+  translation: Übersetzungen
+
+- id: oldcontent
+  translation: Dieser Eintrag ist bereits über ein Jahr alt. Er ist möglicherweise nicht mehr aktuell. Meinungen können sich geändert haben.
\ No newline at end of file
diff --git a/i18n/en.yaml b/i18n/en.yaml
index 0d81bc6..b6ca96a 100644
--- a/i18n/en.yaml
+++ b/i18n/en.yaml
@@ -59,4 +59,7 @@
   translation: "Also on"
 
 - id: translations
-  translation: Translations
\ No newline at end of file
+  translation: Translations
+
+- id: oldcontent
+  translation: This entry is already over one year old. It may no longer be up to date. Opinions may have changed.
\ No newline at end of file
diff --git a/layouts/_default/single.html b/layouts/_default/single.html
index 243d04a..b038383 100644
--- a/layouts/_default/single.html
+++ b/layouts/_default/single.html
@@ -11,6 +11,7 @@
 			{{ end }}
 			{{ end }}
 		</header>
+		{{ partial "oldcontentwarning" . }}
 		<div class="e-content content clearfix">
 			{{ with .Params.audio }}
 			<p><audio controls	preload="metadata" style="width: 100%;"><source src="{{ . }}"/></audio></p>
diff --git a/layouts/partials/oldcontentwarning.html b/layouts/partials/oldcontentwarning.html
new file mode 100644
index 0000000..034158f
--- /dev/null
+++ b/layouts/partials/oldcontentwarning.html
@@ -0,0 +1,7 @@
+{{ if .Param "oldcontentwarning" }}
+{{ if .Date }}
+{{ if (.Date.AddDate 1 0 0).Before now }}
+<p class="oldcontent"><i><b>{{ ":warning:" | emojify }} {{ T "oldcontent" }}</i></b></p>
+{{ end }}
+{{ end }}
+{{ end }}
\ No newline at end of file