Get On This Day delivered free to your inbox: br br br 2014 – Man Haron Monis takes 18 hostages inside the Martin Place Lindt Café for 16 hours in Sydney. br br br br br 1890 – Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation. br br br br br br 1973 – John Paul Getty III, grandson of American billionaire J. Paul Getty, is found alive near Naples, Italy, after being kidnapped by an Italian gang on July 10. br br br br br 2001 – The Leaning Tower of Pisa reopens after 11 years and $27,000,000 spent to fortify it.