On this day, today, in 2001, and 1990

1990 - Iraq invaded Kuwait, seizing control of the oil-rich emirate; the Iraqis were later driven out in Operation Desert Storm.

The interesting part is that the Calendar of 1990 is exactly the same as the 2007 one.

You can reuse your calendar as follows:

Assume X to be the year of your old calendar. Now if X was....
1. A leap year, you can reuse it in X+28
2. A year after a leap year, you can reuse it in X+6, X+17, and X+28
3. Two years after a leap year, you can reuse it in X+11, X+17, and X+28
4. Three years after a leap year, you can reuse it in X+11, X+22, and X+28

1988 was a leap year, making 1990 falls into the third category and the rule to apply here is X+11, X+17, and X+28

So now X = 1990

1990 + 11 = 2001 and 1990 + 17 = 2007

And all, August 2, of 1990, 2001, and 2007, fall on a Thursday!

I know I know its a bit nerdish of me :-P but if you by any chance happen to have 1990 or 2001 calendar REUSE them... if not, save this years calendar for the year 2018 and save the environment from the extra waste:-P