जनवरी 1872 की मलेरकोटला घटना के दौरान, अंग्रेजों द्वारा तोपों के मुंह से बांधकर कितने नामधारी सिखों (कूकों) को उड़ा दिया गया था?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?