1. First Battle of Panipat
The first battle of Panipat was fought on April 20, 1526. This significant battle marked the beginning of the Mughal Empire in India. It was a confrontation between the forces of Ibrahim Lodi, the last ruler of the Delhi Sultanate, and Babur, a descendant of Timur. Babur's innovative military tactics and the use of artillery played a crucial role in his victory, leading to the establishment of Mughal rule in India.

2. Rulers of the Slave Dynasty
- **Qutb al-Din Aibak**: He was the founder of the Slave Dynasty and served as a general under Muhammad Ghori. He became the first Sultan of Delhi after establishing his rule in 1206.
- **Iltutmish**: Aibak's successor, Iltutmish expanded the empire and consolidated its power. He is known for his administrative reforms and the introduction of the Iqtadari system.

3. Foundation of the Slave Dynasty
The Slave Dynasty, also known as the Mamluk Dynasty, was founded by **Qutb al-Din Aibak** in 1206. Aibak was originally a slave who rose to prominence as a military commander under Muhammad Ghori. After Ghori's death, Aibak seized control of Delhi and established his rule, marking the beginning of Muslim sovereignty in India.
Key Contributions of Qutb al-Din Aibak:
- **Consolidation of Power**: Aibak laid the groundwork for the Delhi Sultanate by unifying various regions under his rule.
- **Cultural Contributions**: He initiated the construction of several monuments, including the Qutb Minar in Delhi, which exemplifies Indo-Islamic architecture.
- **Legacy**: His reign set the stage for subsequent rulers of the Slave Dynasty, including Iltutmish and Raziya Sultana, who further expanded and strengthened the empire.
The Slave Dynasty played a pivotal role in shaping the history of medieval India, influencing its culture, politics, and architecture.