Which events in the life of Genghis Khan are described in The Secret History of the Mongols?

The Secret History of the Mongols serves as a primary chronicle detailing the life and deeds of Genghis Khan (Temüjin) and his successor, Ögödei. The text covers various significant events in Genghis Khan's life, including:1

• Early Life and Struggles: It recounts his birth, the poisoning of his father Yesügei by Tatars, and the subsequent abandonment of his family by the Taychiut clan. It details his childhood poverty, his capture and escape from the Taychiut, and his early ability to attract loyal followers, such as his nökör (companion) Bo’orchu.2
• Rise to Power: The text describes his efforts to recover his wife, Börte, after she was abducted by the Merkit, and his reliance on the Kereit leader Toghril for military support. It chronicles his systematic elimination of rivals, including the Merkit, the Jürkin clan, the Tatars, the Kereit, and the Naiman.23
• Rivalry with Jamuka: The Secret History provides an account of his complex relationship with his boyhood friend Jamuka, detailing their initial alliance, their eventual falling out, and the resulting polarization of the Mongol tribes.3
• Unification and Conquest: It documents his proclamation as Genghis Khan in 1206, his military organization, and his later campaigns, including the war against the Khwārezm empire. It also notes his eventual realization of the importance of towns and literacy, which he learned from advisers during his conquests.34