diff --git a/chorus-lib/src/types/event/mod.rs b/chorus-lib/src/types/event/mod.rs
index fe5f63d..1215282 100644
--- a/chorus-lib/src/types/event/mod.rs
+++ b/chorus-lib/src/types/event/mod.rs
@@ -205,7 +205,9 @@ impl PartialOrd for Event<'_> {
 
 impl Ord for Event<'_> {
     fn cmp(&self, other: &Self) -> Ordering {
-        self.created_at().cmp(&other.created_at())
+        self.created_at()
+            .cmp(&other.created_at())
+            .then(self.id().cmp(&other.id()))
     }
 }
 
diff --git a/chorus-lib/src/types/id.rs b/chorus-lib/src/types/id.rs
index 6027e11..a922eab 100644
--- a/chorus-lib/src/types/id.rs
+++ b/chorus-lib/src/types/id.rs
@@ -2,7 +2,7 @@ use crate::error::Error;
 use serde::{Deserialize, Serialize};
 use std::fmt;
 
-#[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq)]
+#[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct Id(pub [u8; 32]);
 
 impl Id {