What to know

• Ethel Caterham, who lives in Surrey, UK, was born in 1909 and celebrates her 117th birthday today. She inherited the title of Oldest Person in the World last year and is one of the oldest people to survive Covid-19.S1
• Ethel Caterham's long life has taken in two world wars, the Cuban Missile Crisis, the first Moon landings, the fall of the Berlin Wall, six different UK monarchs and 28 prime ministers.S2
• Ethel Caterham has lived through the Titanic disaster, both world wars, the fall of the Berlin Wall and six monarchsS3