Misc: what is the official language of afghanistan?

Questions

Sputnik 5 carries 3 dogs into orbit (later recovered alive).?

Groucho Marx, died in Los Angeles at the age of 86.?

The crew of Soyuz 32 returns to Earth aboard Soyuz 34.?

Soyuz T-7 is launched.?

Bernardo O'Higgins, won independence for Chile, born.?