The important topics covered in the History textbook for CBSE Class 6 are:

1. What, Where, How and When?
- This chapter introduces students to the concept of history and helps them understand the importance of studying the subject.
- It explores the meaning of history and its sources, and discusses how historians study the past.
- Students learn about different types of sources, such as written records, archaeological findings, and oral traditions.

2. From Hunting-Gathering to Growing Food
- This chapter focuses on the transition from a nomadic lifestyle to settled farming communities.
- Students learn about the development of agriculture and the domestication of plants and animals.
- They also explore the significance of agriculture in the growth of human settlements and the emergence of social hierarchies.

3. In the Earliest Cities
- In this chapter, students explore the characteristics of early urban civilizations.
- They learn about the Indus Valley Civilization and its major cities, such as Harappa and Mohenjo-daro.
- Students also understand the layout of these cities, their advanced urban planning, and the various aspects of life in ancient urban societies.

4. What Books and Burials Tell Us
- This chapter focuses on the importance of written records and archaeological findings in understanding the past.
- Students learn about the significance of books and manuscripts as historical sources.
- They also explore the practice of burial and its role in providing archaeological evidence about ancient civilizations.

5. Kingdoms, Kings, and an Early Republic
- In this chapter, students delve into the political structure of ancient India.
- They learn about the different types of rulers, such as monarchs and republics, and the concepts of central power and governance.
- Students also explore the administration and society of the Mauryan Empire, including the role of Ashoka.

6. New Questions and Ideas
- This chapter introduces students to the ancient philosophical and religious traditions of India.
- They learn about the major religious movements, such as Jainism and Buddhism, and their teachings.
- Students also explore the concepts of renunciation, non-violence, and the pursuit of knowledge.

7. Ashoka, the Emperor Who Gave Up War
- In this chapter, students study the life and reign of Ashoka, an important emperor of ancient India.
- They learn about Ashoka's conquests, his conversion to Buddhism, and his efforts to promote peace and welfare.
- Students also explore Ashoka's inscriptions and edicts, which provide insights into his policies and beliefs.

8. Vital Villages, Thriving Towns
- This chapter focuses on the socio-economic aspects of ancient Indian society.
- Students learn about the importance of villages and towns in the economic development of the country.
- They explore the different occupations, trade routes, and crafts of ancient India.

9. Traders, Kings, and Pilgrims
- In this chapter, students explore the trade networks and cultural exchanges in ancient India.
- They learn about the significance of trade routes, such as the Silk Road, and how they facilitated the exchange of goods, ideas, and religions.
- Students also study the role of merchants and the importance of pilgrimage in ancient Indian society.

Overall, the History textbook for CBSE Class 6 covers a wide range of topics,