Answer
**Answer: Bülent Ecevit's political ban.** During Bülent Ecevit's political ban, his wife, Rahşan Ecevit, temporarily assumed leadership of the Democratic Left Party (DSP) as the party chairwoman. This period marked a significant chapter in Turkey's political history, showcasing Rahşan Ecevit's active role in supporting her husband's political legacy and ensuring the party's continuity amidst challenging circumstances.