Pakistan became an independent dominion at midnight, splitting from British India in a partition that displaced millions and killed hundreds of thousands.

India became independent at midnight after nearly two centuries of British colonial rule, as Jawaharlal Nehru declared the nation's 'tryst with destiny.'

Pakistan's founding is dated to August 14, but wide celebrations and the formal transfer of power festivities extended into August 15 across the newly partitioned subcontinent.

The United States Air Force officially came into existence as a separate military branch, ending its status as an Army subordinate.

Chuck Yeager piloted the rocket-powered Bell X-1 past the speed of sound over California's Mojave Desert, the first confirmed supersonic flight by a human.

Maharaja Hari Singh signed the Instrument of Accession, joining Jammu and Kashmir to India amid an invasion by Pakistani-backed tribal militias, igniting a dispute that endures today.

Naval officer and computer scientist Grace Hopper's team taped a real moth found in the Harvard Mark II relay computer into their logbook, coining the enduring term 'bug.'

The UN General Assembly approved Resolution 181, calling for the partition of British Mandatory Palestine into Jewish and Arab states.