This is Archives page template. Just create a page and select it from page Attributes > Templates section from your WordPress dashboard and you are good to go. The basic purpose of this template is to list all your posts month wise and it counts the post publish date for doing this. This page comes as the sample page, if you have inserted a sample data on your site.

2015 May

2015 February

2014 December

2014 November

2014 October

2014 May

2014 March

2014 January

2013 October

2013 September

2013 July

2013 April

2013 February

2012 October