Reese Witherspoon riding a loaner bike from Hotel D'Angleterre in Copenhagen, Summer 2024 Happy #BicycleBirthday, Reese! March 22, 1976

Formula One racer Ayrton Senna studies Monte Carlo's Fairmont Hairpin on his bicycle, 1991. The site is now home to a statue of Senna honoring his six wins at Monaco. #BicycleBirthday March 21 (1960-1994)

Actress Françoise Dorléac in Saint-Tropez, 1966 #BicycleBirthday March 21 (1942-1967)

Actress Marie-Christine Barrault graced the cover of the French periodical Vendredi Samedi Dimanche with her bicycle in April 1981 Happy #BicycleBirthday, Marie-Christine! Born March 21, 1944

Walt Whittaker (Carl Reiner) rides in a scene from the 1966 war comedy The Russians Are Coming! The Russians Are Coming! Happy #BicycleBirthday, Carl! March 20 (1922-2020)

Fast-talking bike messenger Mars Blackmon (Spike Lee) addresses the camera in the 1986 comedy She's Gotta Have It #BicycleBirthday filmmaker Spike Lee March 20, 1957

Actor Bruce Willis goes for a spin on a Citi Bike in New York City, 2013 #BicycleBirthday March 19, 1955

A penny farthing bicycle is a recurring motif in the dystopian 1967 TV series The Prisoner, which was created by, written by, and starred Patrick McGoohan. Happy #BicycleBirthday, Patrick! March 19 (1928-2009)

Actress Ursula Andress inspects a roof while riding a Graziella folding bike #BicycleBirthday March 19, 1936 📷Giancarlo Botti

Actress Patricia Morison takes a ride with her dachshund, circa 1940 Happy #BicycleBirthday, Patricia! March 19 (1915-2018)