– Constantine the Great is proclaimed Roman emperor after the death of his father
– Constantinople is recaptured by Nicaean emperor Michael VIII Palaiologos
– Engineer Thomas Grainger dies from injuries sustained in a rail crash
– Birth of John Cairncross, who was later named as the ‘fifth man’ in the Cambridge spy ring
– Birth of scientist Rosalind Franklin, known for her work on the discovery of DNA’s double helix form
– Bob Dylan performs with electric guitars at the Newport Folk Festival, changing rock music history
– Controversy surrounds the birth of the world’s first ‘test tube baby’, Louise Brown, on July 25, 1978, through IVF
– Parents of Louise Brown faced criticism and abuse, as well as support from around the world.