June 5 – June 20 & June 20 – July 5: The beginning of the month is about versatility and hull-down tactics when you follow the British medium tank line all the way to the Centurion Action X. As summer arrives, so do Swedish tank destroyers up to the Strv 103B. Famous for their low profile and the special Travel and Siege mechanic, they will make sure that your opponents return to their Garages before they get sunburned.
June 6–9: This year, we will commemorate one of the most important events of World War II once again. Complete the special D-Day missions to earn extra XP, customizations, and more.
Plenty of Personal Reserves
June 13–16: You need to earn XP to make XP, at least when it comes to this special. Pick your favorite tanks, standard or Premium, of any tier and collect great XP bonuses.
Bonus XP for all!
June 19–27: Tankfest has always been one of our most beloved events of the year and we are not going to let the current circumstances stop us from celebrating our love for tanks. So, get ready for it with a special set of missions.
Inscriptions and decals
June 20–23: The first days of summer promise to be hot and full of XP. Take your Premium vehicles out for a nice ride across the battlefields and collect extra XP.
An XP frenzy
June 27–30: The actual event might not take place this year, but we will celebrate it with a digital version full of great activities, including, discounts, the return of the Brawl event, live streams, and plenty more. You don’t want to miss this!
x4 XP bonus for your first victory
Source: EU Portal