Answer
**Third**: This refers to Pia Wurtzbach's position as the third Filipina to win the prestigious Miss Universe pageant. She achieved this remarkable feat in 2015, joining the ranks of her predecessors, Gloria Diaz (1969) and Margarita Moran (1973). Wurtzbach's victory brought immense pride and joy to the Philippines, solidifying the country's strong presence and success in international beauty competitions.