How long did the Philippine-American War last?

Answer 1

it lasted aproximatley 4 years, from the attack on pearl harbour, to the dropping of the atomic bomb (Sunday, December 7, 1941 at 7:55 AM to On 14 August 1945 (US date) or, 15 August 1945 in Japan, the difference is caused by the International Dateline).

Answer 2

From 2 June 1899 until 4 July 1902 with the Moro Rebellion continuing until 1913.