Set release date

d-frey · d-frey · commit 8a0fee06bc31 · 2018-06-17T21:10:41.000+02:00
diff --git a/README.md b/README.md
@@ -915,7 +915,7 @@ work-around:
 
 ### 1.1.0
 
-Released 2018-??-??
+Released 2018-06-17
 
 * Add `constexpr` support for comparison operators.
 
