Story of the 45 Caliber Pistol

A bit of history on 45 caliber below... invented for Pinoys during the Fil-Am War and the "pacification" program in the early 1900s ... ang na mention below e sa Mindanao lang na issue that prompted its invention. Sa Visayas e may mga Pulahanes groups, etc. Sa Luzon e marami rin groups that could not be easily cut down by the usual ammunition...

http://sportales.com/shooting/the-venerable-colt-caliber-45-m1911a1-automatic-pistol/


...Prior to WW1 the standard handgun issue of the US Army is the caliber .38 revolvers. When the US army under General John “Black Jack” Pershing was stationed in the Southern Philippines at the beginning of the 20th century to pacify the Moros, it was subjected to suicide attacks by “juramentados” who fought because of religious motive. The army noticed that the caliber .38 lacked the power to stop attackers right in their track. Despite seriously wounded by hail of bullets, a suicide attacker could still advance to a soldier and hack him to death with a kris. To deal with that kind of situation, the US army had to use higher caliber ammunition to replace the less effective caliber .38. Later the caliber .38 revolvers were replaced with the higher caliber .45 ...