1930

On February 18, 1930, American astronomer Clyde Tombaugh discovered Pluto at the Lowell Observatory in Arizona. Pluto was initially classified as the ninth planet in the solar system, although it was reclassified as a "dwarf planet" in 2006.

The first-ever FIFA World Cup was held in Uruguay from July 13 to July 30, 1930. The host nation, Uruguay, won the tournament, defeating Argentina 4-2 in the final. This event marked the beginning of the world's most prestigious football competition.

On March 12, 1930, Mahatma Gandhi launched the Salt March, a 240-mile protest against the British salt monopoly and tax in India. The march, which ended on April 6, was a key event in the Indian independence movement and highlighted the power of nonviolent resistance.