The Iranian (Persian) Calendar, is the most accurate and one of the oldest (as far back as 2000 BC Zoroastrianism) calendars.

You can buy Dog and Puppy calendars from Calendar Factory. The have many types of calendars, but they specialize in Dog calendars. Their website is at the link below.

Because it is a written law in Iranian Constitution. Any foreign woman married to a man who is an Iranian citizen, will automatically receive Iranian citizenship- whether you want it or not. They not required to renounce their foreign nationality. However, they are recognized only as Iranian based on Iranian government point of view.
You should then apply for an Iranian certificate of identity, a national ID card and an Iranian passport.

The inca had 100 calendars.