In December of 2018 the Governor announced that in 2019 it shall not take place on the 31th of May, as it was announced at the beginning, but rather it shall take place one week earlier on Friday, 24th of May 2019, the historic date. The law was then again changed in 2020, that starting 2021 it shall be scheduled the way it is now.
In December 2018, the Governor made an adjustment to the previously announced date of May 31st, 2019, and instead scheduled it for Friday, May 24th, 2019, marking a new historic date. The law was revised again in 2020 to confirm the current schedule for 2021.