we went to belgium via calais sunday morning, ferry from dover. i thought it was extremely strange no one checked my passport to see if i have a schengen visa, no immigration officer present in the passport control. on the way back from calais my passport was checked and stamped (uk border contol).
im just wondering now, when i apply for my british citizenship, how can i prove if i get questioned when i left the UK? no one scanned or checked my passport on the way out but i have re-entry stamp?