diff --git a/app/helpers/admin_helper.rb b/app/helpers/admin_helper.rb
index e972ef03d..11603336e 100644
--- a/app/helpers/admin_helper.rb
+++ b/app/helpers/admin_helper.rb
@@ -25,6 +25,10 @@ module AdminHelper
                         [l(:project_status_archived), '9']], selected.to_s)
   end
 
+  def last_activities()
+    Redmine::Activity::Fetcher.new(User.current).events(nil, nil, :last_by_project => true).to_h
+  end
+
   def plugin_data_for_updates(plugins)
     data = {"v" => Redmine::VERSION.to_s, "p" => {}}
     plugins.each do |plugin|
diff --git a/app/views/admin/projects.html.erb b/app/views/admin/projects.html.erb
index 077f87c27..e4741b2e9 100644
--- a/app/views/admin/projects.html.erb
+++ b/app/views/admin/projects.html.erb
@@ -23,14 +23,17 @@
   <th><%=l(:label_project)%></th>
   <th><%=l(:field_is_public)%></th>
   <th><%=l(:field_created_on)%></th>
+  <th><%=l(:field_last_activity)%></th>
   <th></th>
   </tr></thead>
   <tbody>
+<% project_activities = last_activities %>
 <% project_tree(@projects, :init_level => true) do |project, level| %>
   <tr class="<%= project.css_classes %> <%= level > 0 ? "idnt idnt-#{level}" : nil %>">
   <td class="name"><span><%= link_to_project_settings(project, {}, :title => project.short_description) %></span></td>
   <td><%= checked_image project.is_public? %></td>
   <td><%= format_date(project.created_on) %></td>
+  <td><%= format_date(project_activities[project.id]) %></td>
   <td class="buttons">
     <%= link_to(l(:button_archive), archive_project_path(project, :status => params[:status]), :data => {:confirm => l(:text_are_you_sure)}, :method => :post, :class => 'icon icon-lock') unless project.archived? %>
     <%= link_to(l(:button_unarchive), unarchive_project_path(project, :status => params[:status]), :method => :post, :class => 'icon icon-unlock') if project.archived? && (project.parent.nil? || !project.parent.archived?) %>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 018235a3d..6989d7629 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -258,6 +258,7 @@ en:
   field_downloads: Downloads
   field_author: Author
   field_created_on: Created
+  field_last_activity: Last activity
   field_updated_on: Updated
   field_closed_on: Closed
   field_field_format: Format
diff --git a/config/locales/pt-BR.yml b/config/locales/pt-BR.yml
index 830d645d3..08a3247ac 100644
--- a/config/locales/pt-BR.yml
+++ b/config/locales/pt-BR.yml
@@ -224,6 +224,7 @@ pt-BR:
   field_downloads: Downloads
   field_author: Autor
   field_created_on: Criado em
+  field_last_activity: Última atividade
   field_updated_on: Alterado em
   field_field_format: Formato
   field_is_for_all: Para todos os projetos
diff --git a/lib/plugins/acts_as_activity_provider/lib/acts_as_activity_provider.rb b/lib/plugins/acts_as_activity_provider/lib/acts_as_activity_provider.rb
index 2bf4b2e8c..6f47ac96d 100644
--- a/lib/plugins/acts_as_activity_provider/lib/acts_as_activity_provider.rb
+++ b/lib/plugins/acts_as_activity_provider/lib/acts_as_activity_provider.rb
@@ -78,6 +78,10 @@ module Redmine
               scope = scope.where(Project.allowed_to_condition(user, "view_#{self.name.underscore.pluralize}".to_sym, options))
             end
 
+            if options[:last_by_project]
+              scope = scope.group("projects.id").maximum(provider_options[:timestamp])
+            end
+
             scope.to_a
           end
         end
diff --git a/lib/redmine/activity/fetcher.rb b/lib/redmine/activity/fetcher.rb
index fccce54eb..c722326f4 100644
--- a/lib/redmine/activity/fetcher.rb
+++ b/lib/redmine/activity/fetcher.rb
@@ -85,6 +85,7 @@ module Redmine
       def events(from = nil, to = nil, options={})
         e = []
         @options[:limit] = options[:limit]
+        @options[:last_by_project] = options[:last_by_project] if options[:last_by_project]
 
         @scope.each do |event_type|
           constantized_providers(event_type).each do |provider|
@@ -92,10 +93,14 @@ module Redmine
           end
         end
 
-        e.sort! {|a,b| b.event_datetime <=> a.event_datetime}
+        if options[:last_by_project]
+          e.sort
+        else
+          e.sort! {|a,b| b.event_datetime <=> a.event_datetime}
 
-        if options[:limit]
-          e = e.slice(0, options[:limit])
+          if options[:limit]
+            e = e.slice(0, options[:limit])
+          end
         end
         e
       end