<!-- datepicker source: https://github.com/uxsolutions/bootstrap-datepicker -->
<!-- tutorial: https://formden.com/blog/date-picker -->

<div class="container">
  <br />
  <div class="row">
    <div class='col-sm-3'>
      <div class="form-group">
        <div id="filterDate2">
          
          <!-- Datepicker as text field -->         
          <div class="input-group date" data-date-format="dd.mm.yyyy">
            <input  type="text" class="form-control" placeholder="dd.mm.yyyy">
            <div class="input-group-addon" >
              <span class="glyphicon glyphicon-th"></span>
            </div>
          </div>
          
        </div>    
      </div>
    </div>
  </div>
</div>