DAY on 22nd FEBRUARY. The theme of World Thinking Day 2019 is 'Leadership'. The aim is to learn the different ways to be a leader and DEVELOP the power to bring the CHANGE a person wants to see in the world. The day is significant as it was the birthday of Scouting and Guiding founder Lord Robert Baden-Powelland of Lady Olave Baden-Powell, his wife and World CHIEF Guide.