The World Brain Tumor Day is celebrated on the 8th of June every year since 2000. The day was first observed by the German Brain Tumour
https://gomedii.com/blogs/english/wp-login.php?action=logout&redirect_to=https%3A%2F%2Fgomedii.com%2Fblogs%2Fenglish%2F&_wpnonce=e0e02281a4
WWorld Brain Tumor Day