wp-pagenavi domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /www/setimeline_930/public/wp-includes/functions.php on line 6121The Pop Art movement emerged in the 1950s, challenging traditions of fine art by incorporating imagery from popular and mass culture, such as advertising, comic books, and mundane cultural objects. Major artists associated with the movement include Andy Warhol and Roy Lichtenstein.