loop

$args = array(
'post_type'=>'events',
'posts_per_page'=>1

	);
$the_query = new WP_Query( $args );

// The Loop
if ( $the_query->have_posts() ) : ?>
	<ul> 
<?php
while ( $the_query->have_posts() ) : $the_query->the_post(); ?>
  <li><article>
  <?php the_post_thumbnail('medium'); ?>
  <header><h1><?php the_title();?></h1>
  <p class="info">
  	<span class="annee"><?php the_field('annee');?></span>
  	<span class="fb"><?php the_field('lien_facebook');?></span>
  </p>
  </header>
  <div class="content col-sm-12"><?php the_content();?></div>
  </article></li>
  <?php
endwhile;?>
</ul>
<?php
endif;

// Reset Post Data
wp_reset_postdata();

 ?>