EU shut down borders for 30 days (20h 40min, mar 17, 2020 y – apr 17, 2020)
Description:
 https://news.sky.com/story/coronavirus-eus-borders-will-close-for-30-days-from-noon-tomorrow-11958658 
Added to timeline:
Date:
20h 40min, mar 17, 2020 y
apr 17, 2020
 ~ 1 months