Misc: if you had chronic regional ileitis, what eponymous disease would you have?

Questions

3 cosmonauts die as Soyuz XI depressurizes during reentry?

Johnny Rotten & Joan Collins appear together on BBC's Juke Box Jury?

E. Kidner opens the first cooking school, in Great Britain?

Frederic Chopin, pianist, composer, born?

David Niven, actor, born?