<?php $pc = new WP_Query('cat=27&orderby=date&posts_per_page=100'); ?>
<?php while ($pc->have_posts()) : $pc->the_post(); ?>
<?php get_template_part( 'template-parts/post' ); ?>
<?php endwhile; ?>
$start = '1900-01-01';
$end = '1949-12-31';
$args = array(
'post_type' => 'events',
'posts_per_page' => -1,
'orderby' => 'meta_value',
'order' => 'ASC',
'meta_key' => '_event_date',
'meta_query' => array(
array(
'key' => '_event_date',
'value' => array( $start, $end ),
'compare' => 'BETWEEN',
'type' => 'DATE'
)
)
);
$events_query = new WP_query( $args );