{{ $prev := 3000}}
{{range where .Site.RegularPages "Section" "posts"}}
{{if .Date}}
{{if gt $prev (.Date.Format "2006")}}
## {{ .Date.Format "2006" }}
{{end}}
{{.Date.Format "02. Jan"}} -- [{{.Title}}]({{.Permalink}})

    <div class="post-summary">

    {{.Summary}}

    </div>

{{ $prev = .Date.Format "2006"}}
{{end}}
{{end}}