Reguar dates, the fruit, might be a problom because of the glaze that is put on. (I know what your thinking, so don't try to remove the glaze! You will survive, don't worry!)
Yes, there are no restrictions on fruit for Passover.
On passover you are not allowed to write. You can definitely write about passover (assuming you don't do it over the holiday)!
Yes, as plantains are a fruit.
Both are fine but have to be certified kosher for Passover.
There are brands of kosher for Passover baking powder but they have to be marked specifically for Passover.
No, tortillas and other flat breads are chametz.
Passover in 1963 started on Tuesday, April 9th. In Israel, Passover is seven days, Outside of Israel, it is eight days.
Passover Traditions of Freedom - 1994 was released on: USA: 1994 (limited)
Shari's Passover Surprise - 1996 TV was released on: USA: April 1996
Passover - 2007 was released on: USA: 3 August 2007 (North Shore Short Film Festival)
The dates of Passover (or Pesach, as we Jews call it) doesn't need to be calculated like the dates of Easter because it always begins on the same day on the Hebrew calendar - 14 Nisan.
If not processed with flour or starches, usually this is not a problem. To be sure, look for packaged dates with a kosher for passover symbol on the label, or consult a competent local orthodox rabbi.