|Feb 04, 2021||Create a Vacuum Day 2021||World|
|Feb 04, 2022||Create a Vacuum Day 2022||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.