"Women's day is not just the 8th of march, every day should be celebrated as women's day!" Right? Then why do we even need to select a specific day and label it as women's day, when it's so easy to celebrate every day for women?

Well, the philosophical answer lies in the question itself. You've been living every day since you were born, right? Then why do you even need to celebrate your birthday?
Let's take a more specific example, talking of India, we're an independent nation, so why do we celebrate independence day on the 15th of August? Why not every day? Ofcourse we know that we're independent each day but there's a reason behind having a specific day for its celebration.

Similarly, there's a reason for having a specific day for celebrating women around the world. Well, not that all women emerged on the earth that day out of nowhere (-_-).
[Digging a little deeper into history, we observe different dates for the celebration of women's day during the emergence of "women's rights moments" especially across North America and Europe. But Russia first marked the 23rd February (Julian Calendar) as "National women's day" for the first time in the year 1913-which as per Gregorian Calendar was the 8th of...