diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index 55bfaef9806..e87d7922bda 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -49,7 +49,7 @@ UseSearchToSelectCompany=Use autocompletion fields to choose third parties (inst
 ActivityStateToSelectCompany= Add a filter option to show/hide thirdparties which are currently in activity or has ceased it
 SearchFilter=Search filters options
 NumberOfKeyToSearch=Nbr of characters to trigger search: %s
-ViewFullDateActions=Show full dates actions in the third sheet
+ViewFullDateActions=Show full dates events in the third sheet
 NotAvailableWhenAjaxDisabled=Not available when Ajax disabled
 JavascriptDisabled=JavaScript disabled
 UsePopupCalendar=Use popup for dates input
@@ -413,7 +413,7 @@ Module2200Desc=Lending rights management
 Module2300Name=Menus
 Module2300Desc=Menu's management
 Module2400Name=Agenda
-Module2400Desc=Actions/tasks and agenda management
+Module2400Desc=Events/tasks and agenda management
 Module2500Name=Electronic Content Management
 Module2500Desc=Save and share documents
 Module2600Name= WebServices
@@ -767,7 +767,7 @@ DelayBeforeWarning=Delay before warning
 DelaysBeforeWarning=Delays before warning
 DelaysOfToleranceBeforeWarning=Tolerance delays before warning
 DelaysOfToleranceDesc=This screen allows you to define the tolerated delays before an alert is reported on screen with picto %s for each late element.
-DelaysOfToleranceActionsToDo=Delay tolerance (in days) before alert on planned actions not yet realised
+DelaysOfToleranceActionsToDo=Delay tolerance (in days) before alert on planned events not yet realised
 DelaysOfToleranceOrdersToProcess=Delay tolerance (in days) before alert on orders not yet processed
 DelaysOfToleranceSuppliersOrdersToProcess=Delay tolerance (in days) before alert on suppliers orders not yet processed
 DelaysOfTolerancePropalsToClose=Delay tolerance (in days) before alert on proposals to close
@@ -1244,7 +1244,7 @@ InvoiceDateUsed=Invoice date used
 YourCompanyDoesNotUseVAT=Your company has been defined to not use VAT (Home - Setup - Company/Foundation), so there is no VAT options to setup.
 AccountancyCode=Accountancy Code  
 ##### Agenda #####
-AgendaSetup=Actions and agenda module setup
+AgendaSetup=Events and agenda module setup
 PasswordTogetVCalExport=Key to authorize export link
 PastDelayVCalExport=Do not export event older than
 ##### ClickToDial #####
diff --git a/htdocs/langs/en_US/agenda.lang b/htdocs/langs/en_US/agenda.lang
index b831de8e4c8..eafcd84db76 100644
--- a/htdocs/langs/en_US/agenda.lang
+++ b/htdocs/langs/en_US/agenda.lang
@@ -12,13 +12,13 @@ Events= Events
 ListOfActions=List of events
 Location=Location
 EventOnFullDay=Event on full day
-SearchAnAction= Search an action/task
+SearchAnAction= Search an event/task
 MenuToDoActions= All incomplete events
 MenuDoneActions= All terminated events
 MenuToDoMyActions= My incomplete events
 MenuDoneMyActions= My terminated events
 ListOfEvents= List of Dolibarr events
-ActionsAskedBy=Events recorded by
+ActionsAskedBy=Events reported by
 ActionsToDoBy=Events affected to
 ActionsDoneBy=Events done by
 AllMyActions= All my events/tasks
@@ -29,7 +29,7 @@ ViewDay=Day view
 ViewWeek=Week view
 ViewWithPredefinedFilters= View with predefined filters
 AutoActions= Automatic filling of agenda
-AgendaAutoActionDesc= Define here events for which you want Dolibarr to create automatically an action in agenda. If nothing is checked (by default), only manual actions will be included in agenda.
+AgendaAutoActionDesc= Define here events for which you want Dolibarr to create automatically an event in agenda. If nothing is checked (by default), only manual actions will be included in agenda.
 AgendaSetupOtherDesc= This page provides options to allow export of your Dolibarr events into an external calendar (thunderbird, google calendar, ...)
 AgendaExtSitesDesc=This page allows to declare external sources of calendars to see their events into Dolibarr agenda.
 ActionsEvents= Events for which Dolibarr will create an action in agenda automatically
diff --git a/htdocs/langs/en_US/commercial.lang b/htdocs/langs/en_US/commercial.lang
index 07667ed4a15..95a3287915e 100644
--- a/htdocs/langs/en_US/commercial.lang
+++ b/htdocs/langs/en_US/commercial.lang
@@ -8,22 +8,22 @@ Customer=Customer
 Customers=Customers
 Prospect=Prospect
 Prospects=Prospects
-DeleteAction=Delete an action/task
-NewAction=New action/task
-AddAction=Add action/task
-AddAnAction=Add an action/task
-AddActionRendezVous=Add a Rendezvous task
+DeleteAction=Delete an event/task
+NewAction=New event/task
+AddAction=Add event/task
+AddAnAction=Add an event/task
+AddActionRendezVous=Add a Rendez-vous event
 Rendez-Vous=Rendezvous
-ConfirmDeleteAction=Are you sure you want to delete this task ?
-CardAction=Action card
+ConfirmDeleteAction=Are you sure you want to delete this event/task ?
+CardAction=Event card
 PercentDone=Percentage complete
 ActionOnCompany=Task about company
 ActionOnContact=Task about contact
 TaskRDV=Meetings
 TaskRDVWith=Meeting with %s
 ShowTask=Show task
-ShowAction=Show action
-ActionsReport=Actions report
+ShowAction=Show event
+ActionsReport=Events report
 SalesRepresentative=Sales representative
 SalesRepresentatives=Sales representatives
 SalesRepresentativeFollowUp=Sales representative (follow-up)
@@ -49,22 +49,22 @@ SendOrderRef=Send order %s
 StatusNotApplicable=Not applicable
 StatusActionToDo=To do
 StatusActionDone=Complete
-MyActionsAsked=Actions I have recorded
-MyActionsToDo=Actions I have to do
-MyActionsDone=Actions affected to me
+MyActionsAsked=Events I have recorded
+MyActionsToDo=Events I have to do
+MyActionsDone=Events affected to me
 StatusActionInProcess=In process
-TasksHistoryForThisContact=Actions for this contact
+TasksHistoryForThisContact=Events for this contact
 LastProspectDoNotContact=Do not contact
 LastProspectNeverContacted=Never contacted
 LastProspectToContact=To contact
 LastProspectContactInProcess=Contact in process
 LastProspectContactDone=Contact done
-DateActionPlanned=Date action planned for
-DateActionDone=Date action done
-ActionAskedBy=Action asked by
-ActionAffectedTo=Action affected to
-ActionDoneBy=Action done by
-ActionUserAsk=Recorded by
+DateActionPlanned=Date event planned for
+DateActionDone=Date event done
+ActionAskedBy=Event reported by
+ActionAffectedTo=Event affected to
+ActionDoneBy=Event done by
+ActionUserAsk=Reported by
 ErrorStatusCantBeZeroIfStarted=If field '<b>Date done</b>' is filled, action is started (or finished), so field '<b>Status</b>' can't be 0%%.
 ActionAC_TEL=Phone call
 ActionAC_FAX=Send fax
diff --git a/htdocs/langs/en_US/main.lang b/htdocs/langs/en_US/main.lang
index 73c0b56a8c8..167dae2d2be 100644
--- a/htdocs/langs/en_US/main.lang
+++ b/htdocs/langs/en_US/main.lang
@@ -109,8 +109,8 @@ Disabled=Disabled
 Add=Add
 AddLink=Add link
 Update=Update
-AddActionToDo=Add action to do
-AddActionDone=Add action done
+AddActionToDo=Add event to do
+AddActionDone=Add event done
 Close=Close
 Close2=Close
 Confirm=Confirm
@@ -176,7 +176,7 @@ Description=Description
 Designation=Description
 Model=Model
 DefaultModel=Default model
-Action=Action
+Action=Event
 About=About
 Number=Number
 NumberByMonth=Number by month
@@ -317,8 +317,8 @@ RefPayment=Ref. payment
 CommercialProposals=Commercial proposals
 Comment=Comment
 Comments=Comments
-ActionsToDo=Actions to do
-ActionsDone=Actions done
+ActionsToDo=Events to do
+ActionsDone=Events done
 ActionsToDoShort=To do
 ActionsRunningshort=Started
 ActionsDoneShort=Done
@@ -328,8 +328,8 @@ ActionRunningShort=Started
 ActionDoneShort=Finished
 CompanyFoundation=Company/Foundation
 ContactsForCompany=Contacts/adresses for this third party
-ActionsOnCompany=Actions about this third party
-NActions=%s actions
+ActionsOnCompany=Events about this third party
+NActions=%s events
 NActionsLate=%s late
 Filter=Filter
 RemoveFilter=Remove filter
diff --git a/htdocs/langs/en_US/orders.lang b/htdocs/langs/en_US/orders.lang
index 57f6ffb7de9..0ce6f1462f6 100644
--- a/htdocs/langs/en_US/orders.lang
+++ b/htdocs/langs/en_US/orders.lang
@@ -99,7 +99,7 @@ RefCustomerOrder=Ref. customer order
 CustomerOrder=Customer order
 RefCustomerOrderShort=Ref. cust. order
 SendOrderByMail=Send order by mail
-ActionsOnOrder=Actions on order
+ActionsOnOrder=Events on order
 NoArticleOfTypeProduct=No article of type 'product' so no shippable article for this order
 OrderMode=Order method
 AuthorRequest=Request author
diff --git a/htdocs/langs/en_US/projects.lang b/htdocs/langs/en_US/projects.lang
index 0fc1d175c08..ead787d3d84 100644
--- a/htdocs/langs/en_US/projects.lang
+++ b/htdocs/langs/en_US/projects.lang
@@ -71,7 +71,7 @@ ConfirmCloseAProject=Are you sure you want to close this project ?
 ReOpenAProject=Open project
 ConfirmReOpenAProject=Are you sure you want to re-open this project ?
 ProjectContact=Project contacts
-ActionsOnProject=Actions on project
+ActionsOnProject=Events on project
 YouAreNotContactOfProject=You are not a contact of this private project
 DeleteATimeSpent=Delete time spent
 ConfirmDeleteATimeSpent=Are you sure you want to delete this time spent ?
diff --git a/htdocs/langs/en_US/propal.lang b/htdocs/langs/en_US/propal.lang
index 7beda932e10..ac4e125eeb5 100644
--- a/htdocs/langs/en_US/propal.lang
+++ b/htdocs/langs/en_US/propal.lang
@@ -52,7 +52,7 @@ PropalStatusBilledShort=Billed
 PropalsToClose=Commercial proposals to close
 PropalsToBill=Signed commercial proposals to bill
 ListOfProposals=List of commercial proposals
-ActionsOnPropal=Actions on proposal
+ActionsOnPropal=Events on proposal
 NoOpenedPropals=No opened commercial proposals
 NoOtherOpenedPropals=No other opened commercial proposals
 RefProposal=Commercial proposal ref
diff --git a/htdocs/langs/en_US/sendings.lang b/htdocs/langs/en_US/sendings.lang
index 03be27c2d7b..de1af6be401 100644
--- a/htdocs/langs/en_US/sendings.lang
+++ b/htdocs/langs/en_US/sendings.lang
@@ -50,9 +50,9 @@ WarningNoQtyLeftToSend=Warning, no products waiting to be shipped.
 StatsOnShipmentsOnlyValidated=Statistics conducted on shipments only validated
 DateDeliveryPlanned=Planed date of delivery
 DateReceived=Date delivery received
-SendShippingByEMail=Send shipping by EMail
-SendShippingRef=Send shipping %s
-ActionsOnShipping=Acions on shipping
+SendShippingByEMail=Send shipment by EMail
+SendShippingRef=Send shipment %s
+ActionsOnShipping=Events on shipment
 LinkToTrackYourPackage=Link to track your package
 ShipmentCreationIsDoneFromOrder=For the moment, creation of a new shipment is done from the order card.