diff --git a/app/controllers/old_events_controller.rb b/app/controllers/old_events_controller.rb
index 387d41ea9..4e565be96 100644
--- a/app/controllers/old_events_controller.rb
+++ b/app/controllers/old_events_controller.rb
@@ -176,6 +176,10 @@ def index
             if total > 0
               facet_by_source(response.aggregations.prefixes.buckets)
             end
+          occurred =
+            if total > 0
+              facet_by_year(response.aggregations.occurred.buckets)
+            end
           citation_types =
             if total > 0
               facet_by_citation_type_v1(
@@ -199,6 +203,7 @@ def index
             page:
               page[:cursor].nil? && page[:number].present? ? page[:number] : nil,
             sources: sources,
+            occurred: occurred,
             prefixes: prefixes,
             "citation-types" => citation_types,
             "relation-types" => relation_types,