Sandugo

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The Legazpi-Sikatuna Blood Compact, or Sandugo (Spanish: Pacto de Sangre), was a blood compact, performed on the island of Bohol in the Philippines, between the Spanish explorer Miguel López de Legazpi and Datu Sikatuna, chieftain of Bohol, on March 16, 1565, to seal their friendship following tribal tradition. This is considered the first treaty of friendship between the Spaniards and Filipinos. Sandugo is a Visayan word meaning "one blood".^[1]

The Sandugo is depicted on both the provincial flag and the official seal of the government of Bohol.^[2] It also features the image of the blood compact. The top of the seal explains the history behind the Sandugo event, the fleet and the location where the Spaniards anchored, and the place where the treaty was conducted.^[3]