The fun facts were sourced from:

https://www.britannica.com/biography/Saint-Valentine

https://westerlylife.com/february-is-the-month-of-love-and-romance/

https://epilepsysociety.org.uk/blog/link-between-saint-valentine-and-epilepsy

https://www.sciencedirect.com/science/article/pii/S0121737217300833

https://worldstrides.com/blog/2017/02/6-valentines-day-traditions-around-the-world/