The first blood compact between native chief Sikatuna and Spanish colonialist Legazpi
Andres Bonafacio and revolutionaries signing the Katipunan roster with their blood
The Balanginga Massacre of a whole American camp by Filipino patriots and the retaliation by Howling Jack Smith (early American regime)
The Lapiang Malaya Massacre in Pasay in the 1960s
The Escalante, Negros Occidental Massacre due to labor unrest, September 1984
The Mendiola Massacre of militant peasants for land reform in 1987
The Lupao, Nueva Ecija Massacre during a military operation against the National People's Army (NPA) in 1987
Political killings from Ninoy
Aquino to Floro Crisologo to Jose Climaco*; Bobby de la Paz,
Edgar Jopson, Macli-ing Dulag, Evelio Javier,
Rolando Olalia, Lean Alejandro ...
... with Philippine elections the bloodiest of all.
From The Body Book, edited by Fe Maria Arriola, published by GCF Books, Quezon City, Philippines, 1993, available at madeinthephilippines.com in Chicago.
*According to one reader, it's not Jose Climaco but Cesar Climaco. Jose is the brother and is well and kicking.