Tafiya na tafiya har jam'iyar Conservative ta samu nasara a zaben shekara 1979 abinda ya ba Thatcher damar zaman Firaminista, kuma ta kasance ita ce macce ta farko a Turai da ta taba rike wannan mukami a lokacin.Ta rike wannan mukami tsawan shekaru 11 da rabi wanda shine wa'adin mulki mafi tsawa da wani Firaministan Birtaniya ya taba yi tun shekaru fiye da 200 da suka wuce.