Mine Systems. Modular Pack Mine System (MOPMS) MOPMS is a man-portable antitank/antipersonnel (AT/AP) mine system with command detonation capability. It weighs 165 pounds and contains a mix of 17 magnetically fuzed AT mines and four AP mines. Its 4-hour self-destruct command can be recycled three times or command detonated by remote control.
The 13th Amendment to the Constitution of the United States was ratified on this date in 1865. It reads, Neither slavery nor involuntary servitude shall exist in the United States.
The U.S. Constitution is ratified. When New Hampshire becomes the 9th of the 13 states to ratify it, the Constitution becomes the law of the land. It was decided that the new government would take effect on March 4, 1789, when the U.S. Senate met for the first time. September 25, 1789: The Bill of Rights is approved by Congress. Congress passes 12 amendments to the Constitution. Based in part on the English Bill of Rights, the Bill of Rights protects basic freedoms guaranteed to all American citizens, including freedom of speech and the right to bear arms. Two of the 12 amendments are not ratified.