On this day in 1954, J. Hartwell Harrison and Joseph Murray performed the world’s first successful kidney transplant.
On this day in 1970, the Democratic Republic of the Congo officially became a single-party state.
On this day in 1990, 88.5% of Slovenia's electorate voted for independence from Yugoslavia in a referendum.
On this day in 2007, the Nepali monarchy was abolished, and the country to became a federal republic with the Prime Minister as head of state.