First, Smeagol was just a regular Hobbit until he found the Ring. After that, he committed the heinous act of killing his cousin. This led to his exile from his community. As he held onto the Ring for years, his body and mind changed. He became a creature of the shadows, constantly in search of the Ring which had become his only obsession. The events in the Misty Mountains, like his encounters with Bilbo and later Frodo, are also important as they show how far he had fallen under the Ring's spell.
The key event was finding the One Ring. After that, his slow transformation into Gollum was significant. Also, his encounter with Bilbo Baggins when Bilbo took the Ring from him was important.
Smeagol was once a Stoor Hobbit. He found the One Ring in the Gladden Fields. The Ring's power corrupted him over time. He became Gollum, a creature obsessed with the Ring. His mind was twisted by its evil influence.
The key element is the discovery of the One Ring. Another is his Hobbit origin which made him vulnerable to the Ring's power.
One key event was her discovery in Barbados. Another is her signing with a major record label.
The key events in Kesha's back story start with her entry into the music industry with her distinct style. Then came the problems with her producer. He had too much say in her career, which led to her legal fight to gain control. This legal fight was highly publicized and became a symbol for many artists facing similar situations. Also, her subsequent releases of music that showed her newfound freedom are important events in her back story.
The main events in Deidara's back story are his initial development of his explosive art in Iwagakure. Then, the disputes with the village elders because they didn't approve of his art. This led to his decision to leave the village. After that, his recruitment into the Akatsuki, which became a new chapter for him to practice and develop his art further.
One of the main events was when Itachi was recruited by the village elders to stop the Uchiha clan's coup. This led to him having to murder his own family and friends in the clan. After that, his life in the Akatsuki was also a big part of his back story. He had to interact with various dangerous criminals in the organization while still having his own goals related to Sasuke and the village. And of course, his interactions with Sasuke over the years, especially the final battle where he revealed some of his true intentions to Sasuke, are crucial events in his back story.
One key event was his victory in the Hunger Games. Another was his post - victory struggle with the Capitol's control and his resulting alcoholism.
One key event was his time in South Africa. There, he faced racial discrimination which led him to start his activism. Another important event was the Salt March in India. It was a powerful non - violent protest against the British salt tax.
One key event was his father's death when he was young, which was a big blow to his family. Another was his time in prison where he was introduced to the Nation of Islam. And then his rise as a prominent figure within the Nation of Islam, giving powerful speeches about black rights.