diff --git a/CHANGELOG.md b/CHANGELOG.md
index 929fdc1b..56ef111b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,8 @@
   JSON or javascript via the `javascript:` prefix
 * `hx-include` will now include all inputs under an element, even if that element is not a form tag
 * The [preload extension](https://htmx.org/extensions/preload/) now offers a `preload-images="true"` attribute that will aggressively load images in preloaded content
+* On requests driven by a history cache miss, the new `HX-History-Restore-Request` header is included so that the server
+  can differentiate between history requests and normal requests 
 
 ### Improvements & Bug fixes
 
diff --git a/src/htmx.js b/src/htmx.js
index d7139890..4e1a4634 100644
--- a/src/htmx.js
+++ b/src/htmx.js
@@ -1468,6 +1468,7 @@ return (function () {
             var details = {path: path, xhr:request};
             triggerEvent(getDocument().body, "htmx:historyCacheMiss", details);
             request.open('GET', path, true);
+            request.setRequestHeader("HX-History-Restore-Request", "true");
             request.onload = function () {
                 if (this.status >= 200 && this.status < 400) {
                     triggerEvent(getDocument().body, "htmx:historyCacheMissLoad", details);
diff --git a/www/reference.md b/www/reference.md
index efbeec2e..9bf24c58 100644
--- a/www/reference.md
+++ b/www/reference.md
@@ -70,6 +70,7 @@ title: </> htmx - Attributes
 | Header | Description |
 |-------|-------------|
 | `HX-Current-URL` | the current URL of the browser
+| `HX-History-Restore-Request` | `true` if the request is for history restoration after a miss in the local history cache
 | `HX-Prompt` | the user response to an [hx-prompt](/attributes/hx-prompt)
 | `HX-Request` | always `true`
 | `HX-Target` | the `id` of the target element if it exists