%form.region_selector
  - if (params[:month])
    = hidden_field_tag :month, params[:month]
  - if (params[:year])
    = hidden_field_tag :year, params[:year]
  = label_tag :region, Region.model_name.human
  = select_tag :region,
    options_from_collection_for_select(Region.all, 'id', 'name', params[:region]),
    prompt: t('region_selector')

= calendar @events, { prev_text: '<<', next_text: '>>', start_day: :monday,
  params: { region: params[:region] } } do |event|
  %ul.events
    %li.event
      = link_to event.url do
        %strong= event.city
        = event.title

.formats
  =t '.calendar_in'
  rss, iCal ou calendrier Google