When was it where 65 Australians were involved in the UN?
CREATE TABLE "table1_10121127_1" (
  "un_operation_name" text,
  "un_operation_title" text,
  "location" text,
  "dates_of_australian_involvement" text,
  "number_of_australians_involved" text,
  "australian_role" text
);
SELECT "dates_of_australian_involvement" FROM "table1_10121127_1" WHERE "number_of_australians_involved"='65';