diff --git a/src/FilterLists.Services/FilterList/FilterListService.cs b/src/FilterLists.Services/FilterList/FilterListService.cs
index 574745071..c8cc06125 100644
--- a/src/FilterLists.Services/FilterList/FilterListService.cs
+++ b/src/FilterLists.Services/FilterList/FilterListService.cs
@@ -75,7 +75,7 @@ await DbContext.Snapshots.AsNoTracking()
                                   .CountAsync();
         }
 
-        private async Task<DateTime?> GetUpdatedDate(ListDetailsDto details)
+        private async Task<DateTime> GetUpdatedDate(ListDetailsDto details)
         {
             return await DbContext.Snapshots.AsNoTracking()
                                   .Where(s => s.FilterListId == details.Id && s.IsCompleted &&
diff --git a/src/FilterLists.Services/FilterList/ListDetailsDto.cs b/src/FilterLists.Services/FilterList/ListDetailsDto.cs
index 34ff86232..1987bbd05 100644
--- a/src/FilterLists.Services/FilterList/ListDetailsDto.cs
+++ b/src/FilterLists.Services/FilterList/ListDetailsDto.cs
@@ -8,6 +8,7 @@ namespace FilterLists.Services.FilterList
     public class ListDetailsDto
     {
         public int Id { get; set; }
+        public DateTime AddedDate { get; set; }
         public string ChatUrl { get; set; }
         public string Description { get; set; }
         public string DescriptionSourceUrl { get; set; }
@@ -26,7 +27,7 @@ public class ListDetailsDto
         public int RuleCount { get; set; }
         public string SubmissionUrl { get; set; }
         public ListSyntaxDto Syntax { get; set; }
-        public DateTime? UpdatedDate { get; set; }
+        public DateTime UpdatedDate { get; set; }
         public string ViewUrl { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/FilterLists.Services/FilterList/MappingProfiles.cs b/src/FilterLists.Services/FilterList/MappingProfiles.cs
index 457083f58..53dd9160a 100644
--- a/src/FilterLists.Services/FilterList/MappingProfiles.cs
+++ b/src/FilterLists.Services/FilterList/MappingProfiles.cs
@@ -17,7 +17,8 @@ public MappingProfiles()
                     conf => conf.MapFrom(list => list.FilterListLanguages.Select(listLangs => listLangs.Language.Name)))
                 .ForMember(dto => dto.Maintainers,
                     conf => conf.MapFrom(list =>
-                        list.FilterListMaintainers.Select(listMaints => listMaints.Maintainer)));
+                        list.FilterListMaintainers.Select(listMaints => listMaints.Maintainer)))
+                .ForMember(dto => dto.AddedDate, conf => conf.MapFrom(list => list.CreatedDateUtc));
             CreateMap<Maintainer, ListMaintainerDto>()
                 .ForMember(dto => dto.AdditionalLists,
                     conf => conf.MapFrom(maint =>
diff --git a/src/FilterLists.Web/ClientApp/components/ListDetails.tsx b/src/FilterLists.Web/ClientApp/components/ListDetails.tsx
index d82bd8bf0..a7b6007a6 100644
--- a/src/FilterLists.Web/ClientApp/components/ListDetails.tsx
+++ b/src/FilterLists.Web/ClientApp/components/ListDetails.tsx
@@ -57,6 +57,7 @@ function ListInfo(props: any) {
                    <RuleCount count={props.details.ruleCount}/>
                    <DiscontinuedDate date={props.details.discontinuedDate}/>
                    <UpdatedDate date={props.details.updatedDate}/>
+                   <AddedDate date={props.details.addedDate}/>
                    <PublishedDate date={props.details.publishedDate}/>
                    <License license={props.details.license}/>
                </ul>
@@ -122,7 +123,15 @@ function DiscontinuedDate(props: any) {
 function UpdatedDate(props: any) {
     return props.date
         ? <li className="list-group-item">
-              <p>Updated: {moment(props.date).format("MMM D, Y")}</p>
+              <p>Last Updated: {moment(props.date).format("MMM D, Y")}</p>
+          </li>
+        : null;
+}
+
+function AddedDate(props: any) {
+    return props.date
+        ? <li className="list-group-item">
+              <p>Added to FilterLists: {moment(props.date).format("MMM D, Y")}</p>
           </li>
         : null;
 }
@@ -301,6 +310,7 @@ function MaintainerUrls(props: any) {
 }
 
 interface IFilterListDetailsDto {
+    addedDate: string;
     chatUrl: string;
     description: string;
     descriptionSourceUrl: string;