At the end of the Salt March, Gandhi raises a lump of mud and salt and declares, "With this, I am shaking the foundations of the British Empire."

The Salt march, also known as the Salt Satyagraha, Dandi March, and the Dandi Satyagraha, was an act of non violent civil disobedience in colonial India, led by Mahatma Gandhi. The 24-day march lasted from 12 March 1930 to 6 April 1930 as a direct action campaign of tax resistance and nonviolent protest against the British salt monopoly. Another reason for this march was that the Civil Disobedience Movement needed a strong inauguration that would inspire more people to follow Gandhi's example. Gandhi started this march with 78 of his trusted volunteers. The march spanned 387 kilometres (240 mi), from Sabarmati Ashram to Dandi, which was called Navsari at that time. Growing numbers of Indians joined them along the way. When Gandhi broke the British Raj salt laws at 8:30 am on 6 April 1930, it sparked large-scale acts of civil disobedience against the salt laws by millions of Indians.

Mohandas Karamchand Gandhi was an Indian lawyer, anti-colonial nationalist, and political ethicist who employed nonviolent resistance to lead the successful campaign for India's independence from British rule. He inspired movements for civil rights and freedom across the world. The honorific Mahātmā, first applied to him in South Africa in 1914, is now used throughout the world.

The British Empire comprised the dominions, colonies, protectorates, mandates, and other territories ruled or administered by the United Kingdom and its predecessor states. It began with the overseas possessions and trading posts established by England in the late 16th and early 17th centuries, and colonisation attempts by Scotland during the 17th century. At its height in the 19th and early 20th centuries, it became the largest empire in history and, for a century, was the foremost global power. By 1913, the British Empire held sway over 412 million people, 23 percent of the world population at the time, and by 1920, it covered 35.5 million km² (13.7 million sq mi), 24 per cent of the Earth's total land area. As a result, its constitutional, legal, linguistic, and cultural legacy is widespread. At the peak of its power, it was described as "the empire on which the sun never sets", as the sun was always shining on at least one of its territories.