As a longtime member of Girl Scouts of the USA, I thank you for including World Thinking Day.
Both Lord (Robert 1857-1941) and Lady (Olave 1889-1977) Baden Powell were born on February 22. He founded the Boy Scouts and together they founded the Girl Guides in England. Juliette Gordon Low, while visiting them, decided to form a similar organization in the USA. This she did in 1912 but used the name Girl Scouts. The World Association of Girl Guides and Girl Scouts chose to honor the Baden Powells on their common birthday by thinking of fellow members around the globe. Many troops hel