56 years ago, on October 5, 1966, Loretta Lynn recorded one of her biggest, and most controversial, hits. It was on this day that Lynn recorded “Don’t Come Home A-Drinkin’ (With Lovin’ on Your Mind),” a song she wrote with her sister, Peggy Sue Wright. Although the song is autobiographical to her own life, and the struggles she faced in her marriage to her husband Oliver “Doolittle” Lynn and his alcoholism, it was Wright who brought the idea to her big sister.

“I looked at what she had on paper, and I kind of knew what she was trying to say,” Lynn revealed in her book, Honky Tonk Girl: My Life In Lyrics (via Songfacts). “It’s like when there’s twins, the old saying is, ‘What one can’t think of, the other one can.’ I’ve always had this feeling with Peggy that I am kind of inside her head. Maybe it’s because she means so much to me. We can look at each other and know what the other is thinking. Sometimes it’s not good to be like that, but when the song was finished, we both thought it was great.”

“Don’t Come Home ‘A-Drinkin’ (With Lovin’ on Your Mind)” became Lynn’s first No. 1 hit at country radio, making her only the seventh solo female artist at the time to have a chart-topping single. Lynn also made history with “Don’t Come Home A-Drinkin'” by being the first woman to have written the No. 1 hit.

Lynn may not have had the original idea for “Don’t Come Home A-Drinkin’ (With Lovin’ on Your Mind),” but she was very familiar with the storyline. Lynn often spoke about her husband’s battle with drinking, something that plagued him for most of their marriage, until he passed away in

“I married Doo when I wasn’t but a child, and he was my life from that day on,” Lynn said in Still Woman Enough.  “But as important as my youth and upbringing was, there’s something else that made me stick to Doo. He thought I was something special, more special than anyone else in the world, and never let me forget it. That belief would be hard to shove out the door. Doo was my security, my safety net. And just remember, I’m explainin’, not excusin’… Doo was a good man and a hard worker. But he was an alcoholic, and it affected our marriage all the way through.”

Lynn passed away on October 4 at her ranch in Hurricane Mills, Tennessee. Funeral arrangements are pending.

Read ’11 Things to Know About Loretta Lynn’ here.