The document lists several key events from Indian history between 1857 and 1984, including two sepoys being hanged in Lucknow during the 1857 rebellion, protests against rape in Delhi in the 1980s, and the deadly Bhopal gas tragedy in 1984 that killed over 10,000 people after a leak from a Union Carbide pesticide plant. References are also provided for further information on the events mentioned.