View source for Template:LaunchesByYear header

{{#if:{{{1|}}}|{{#ifexist:{{#expr:{{{1}}}-1}} in spaceflight|'''[[{{#expr:{{{1}}}-1}} in spaceflight|← <small>{{#expr:{{{1}}}-1}}</small>]]'''&nbsp;{{·}}&nbsp;}}[[{{{1}}} in spaceflight|<span class="vevent"><span class="summary">Orbital launches in <span class="dtstart">{{{1}}}</span></span></span>]]{{#ifexist:{{#expr:{{{1}}}+1}} in spaceflight|&nbsp;{{·}}&nbsp;'''[[{{#expr:{{{1}}}+1}} in spaceflight|<small>{{#expr:{{{1}}}+1}}</small> →]]'''}}}}<noinclude>
[[Category:Spaceflight templates]]
</noinclude>