The FLB ensured that no physical injuries or deaths would result from their attacks , which they wished to remain purely symbolic ; in this they followed the model of the earlier group Gwenn ha du , founded 1930 . There are reports that the only two known FLB victims during this period were two FLB members themselves , who were killed while trying to defuse a bomb they were afraid may hurt civilians . They thus gained a reputation in the international community as the " smiling terrorists . " One of their most notorious acts was the 1978 bombing of the Palace of Versailles
1978 bombing of the Palace of Versailles
1978 Palace of Versailles bombing
Breton Liberation Front