Hello everyone. Here is the June French calendar and an English version of it as well. As per @zephyr1, the Sand Empire start date has not been finalized. I will update it as necessary so that the most current and up-to-date information is on it. Enjoy!
UPDATED: June 15 (Proper start date for the Sand Empire added as well as the proper featured costume 5* heroes. Mount Umber event moved to reflect start date.)
June 16: Updated Valhalla end date per announcement.
June 22: Shrikewood moved to start date.
June 25: Added Skadi as the featured Valhalla hero.
June 29: Added Frostmarch Rare Quest.