Misc: What Scottish city's patron saint is St Mungo?

Questions

In 1917 Provisional government of ---------- established, Republic proclaimed. ?

In 1938 ---------- Zeppelin II, world's largest airship, makes maiden flight. ?

In 1938 Graf---------- , world's largest airship, makes maiden flight. ?

In 1938 ---------- Koenig Chicago Ill, actor (Chekov-Star Trek), born. ?

In 1938 Walter ---------- Chicago Ill, actor (Chekov-Star Trek), born. ?