Short answers, pulled from the story.
Archaeologists have dated the first settlement in the Brighton area to Whitehawk Camp, a Neolithic encampment on Whitehawk Hill. This site dates between 3500 BC and 2700 BC and stands as one of six causewayed enclosures in Sussex.
The village of Bristelmestune was likely founded by Anglo-Saxon invaders during the early Saxon period. They were attracted by easy access for boats, sheltered areas of raised land for building, and better conditions compared to the damp Weald to the north.
The arrival of the London and Brighton Railway in 1841 brought Brighton within reach of day-trippers from London. The population increased rapidly throughout the 19th century from 7,339 in 1801 to 46,661 in 1841.
As of the 2021 census, 10.7% of the population over age 18 identify as gay, lesbian or bisexual in Brighton. This represents the highest percentage in the entire UK compared to national and regional averages of 3%.
On the 6th of April 1974, Brighton hosted the 19th Eurovision Song Contest where ABBA won with their song Waterloo at the Brighton Dome.