1918 – She was born in San Diego on the 9th of November.
1950 – Chadwick’s biggest contribution to swimming history occurred on the 8th of August, when she crossed the English Channel in 13 hours and 20 minutes, breaking the then-current world record held by American swimmer Gertrude Ederle.
1952 – Florence was the first woman to attempt to swim the 26 miles between Catalina Island and the California coastline.
1954 – She attempted, but failed to become the first person to swim across Lake Ontario (her competitor in this endeavor, Canadian Marilyn Bell, succeeded the next day).
1995 – She died on the 15th of March.