|Feb 04, 2020||Create a Vacuum Day 2020||World|
|Feb 04, 2021||Create a Vacuum Day 2021||World|
Significance: Create a Vacuum Day is celebrated each year. To celebrate this inofficial holiday, it is possible to open the freezer door twice. Vacuum is space that is devoid of matter. An approximation to such vacuum is a region with a gaseous pressure much less than atmospheric pressure.