Holocaust Remembrance Day
Called Yom Hashoah. This year, Holocaust Remembrance Day falls on a Friday so it is actually observed the preceding Thursday.
Space Day
Celebrated the first Friday of May. Check out my page for this special day!
This information is correct to the best of my knowledge. These dates are collected from many online and offline resources. Please do not email me asking me for more info about a date - All the information I have is posted here.