what were the ships names of german submarine u-9 (1935)?
flandria, patria, linda, san tiburcio, doris, tringa, viiu, sigurd faulbaum, shtorm
what was the date of the viiu?
11 may 1940
what was the date of the sigurd faulbaum?
23 may 1940
which sunk first of these two?
viiu