Drupal Camps:

• Build-a-Module List of Camps: https://buildamodule.com/drupal-camps-calendar
• Map and List of Camps and Cons: https://www.druipcal.com/

Drupal Con 2019 (Seattle, Washington): http://events.drupal.org/seattle2019

phpTek 2019 (probably Atlanta, Georgia): http://tek.phparch.com/

phpWorld 2018 (Washington D.C.): http://world.phparch.com/