Historybook: Golf legend Arnold Palmer born (1929); Jack Ma, Chinese billionaire and cofounder of Alibaba, born (1964); Jane Wyman, actress and first wife of former President Ronald Reagan, dies (2007); Large Hadron Collider is tested for first time (2008); Hurricane Irma makes landfall in Florida (2017).

"Young people will have the seeds you bury in their minds, and when they grow up they will change the world."

- Jack Ma