The Malolos Constitution is inaugurated, establishing the First Philippine Republic. Emilio Aguinaldo is sworn in as its first president.

The Political Constitution of 1899, informally known as the Malolos Constitution, was the constitution of the First Philippine Republic. It was written by Felipe Calderón y Roca and Felipe Buencamino as an alternative to a pair of proposals to the Malolos Congress by Apolinario Mabini and Pedro…