As a worldwide organization, we need the ability create multiple holiday calendars that can be selected by the project creator at the time the project is being created.
Additional, it would nice to be able to apply these calendars directly to resources (people) vs just the resourcing view. This will ensure that the resource isn't scheduled during a holiday - our teams are cross functional and spread throughout the globe, so it is rare that all team members participating in one project are located in the same area.