Misc: In 1938 Kenny ---------- singer (Lady) actor (Coward of the County), born. ?

Questions

How was "Abu Yusuf Ya'qub ibn Is-haq ubn as-Sabbah ibn 'omran ibn Ismail al-Kindi" better known ?

In a period of 400 years how many times does the 1st of January fall on a Sunday ?

In the Gregorian calendar after 10,000 years by how many days will the calendar be wrong by ?

In the kama-sutra the art of which game is recommened for women to study ?

In which field of science is the history of the universe studied ?