Yes, it is based on real events and people.
To some extent. The story takes inspiration from real-life events but might have some fictional elements added for dramatic effect.
Chapter 40, "The National Museum Speaks!", is the clearest early answer because it turns Su Yinwan's situation into a concrete plot event.
Chapter 119, "Wen Jiaojiao is Poisoned!", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event. The chapter turns that into something concrete by moving from What is Princess Wen talking about?
Chapter 246, "Betting He Can't Last Even One Second", is the clearest early answer because it turns Brother Shaojing's situation into a concrete plot event.
Chapter 317, "Wrapping Up the Migration, Great Xia's Flourishing Scene, Star-picking Hall", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. A useful checkpoint is the way the scene starts with This is clearly a multi-beneficial and highly effective policy. and follows through with But upon further reflection, she couldn't help but pout..
Chapter 239, "Although he's cheap, he's also stupid", is the clearest early answer because it turns Su Yinwan's situation into a concrete plot event. A useful checkpoint is the way the scene starts with I can't believe it, I thought the live broadcast was over, but here's...
Chapter 325, "Mobilizing the Beehive, Where Is the Divine Arm Bow? Full Deployment (Part 3)", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Xia Hong finished speaking and sat back in his chair, quietly waiting... and follows through with If the advanced Cold Beasts broke through the Snow Hill, only then....
Chapter 321, "Purging the Yanglu Realm, Long Wu Army Soon to Be Formed (4)", is the clearest early answer because Reconnaissance Camp finally turns buildup into a real advancement. Early on, After Xia Chuan walked away, another Cold Resistance Level scout from.... By the end, Moreover, Liu Yuan is likely to succeed the Minister, becoming the....
Chapter 84, "Is it Just About Having Hands?", is the clearest early answer because it turns Shu Yan's situation into a concrete plot event. Early on, When the villagers tasted his curry beef one by one, their faces....
Chapter 149, "Director Zhang, I heard you've encountered some troubles lately", is the clearest early answer because it turns Jingcheng Bi Garden's situation into a concrete plot event. Early on, Seeing that Zhang Cheng's glass was nearly empty, Du Qinglian....
Chapter 202, "Jiang Li Official Announcement?!", is the clearest early answer because it turns Sister's situation into a concrete plot event. It opens with Jiang Li couldn't believe it, "Just to take a picture?" "Yes, just to...