Question Author
Yes. All the rest fell into place pretty much immediately.
I was also held up by an incorrect but plausible solution to 2d: "Country raised flag on 1st of April (7)." I had ESTONIA: EST[ablished] ON 1 A[pril]. But the correct answer must be ERITREA: TIRE (flag, reversed) RE (on, about) A[pril]. It is not usual that a cryptic gives two answers that are each so close.