diff --git a/cheat/cheatsheets/cp b/cheat/cheatsheets/cp
index 3c0e246..5e84c64 100644
--- a/cheat/cheatsheets/cp
+++ b/cheat/cheatsheets/cp
@@ -6,3 +6,6 @@ cp -r ~/Desktop/cruise_pics/ ~/Pictures/
 
 # Create a copy but ask to overwrite if the destination file already exists
 cp -i ~/Desktop/foo.txt ~/Documents/foo.txt
+
+# Create a backup file with date
+cp foo.txt{,."$(date +%Y%m%d-%H%M%S)"}
\ No newline at end of file