Space Shuttle Challenger

Space Shuttle Challenger maiden flight was on April 4, 1983, and it completed nine missions before breaking apart 73 seconds after the launch of its tenth mission, STS-51-L on January 28, 1986, resulting in the death of all seven crew members.

Space Transportation System Number 6, Orbiter Challenger, lifts off from Pad 39A carrying astronauts Paul J. Weitz, Koral J. Bobko, Donald H. Peterson and Dr. Story Musgrave.

Photographer's Name: UnknownLocation: KENNEDY SPACE CENTER. Date Shot: 4/4/1983 Date Posted: unknown VIRIN: DF-SC-84-01865.

This image is a work of a U.S. military or Department of Defense employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

Generally speaking, works created by U.S. Government employees are not eligible for copyright protection in the United States. See Circular 1 "COPYRIGHT BASICS" PDF from the U.S. Copyright Office.

January 28, 1986 – Space Shuttle program: STS-51-L mission – Space Shuttle Challenger breaks apart after liftoff killing all seven astronauts on board.

Abraham Lincoln The Peacemakers 1868

The Peacemakers 1868 President Lincoln (center right) with, from left, Generals Sherman, Grant and Admiral Porter – 1868 painting of events aboard the River Queen in March 1865.

Artist: George Peter Alexander Healy (1818–1894) Date of birth/death July 16, 1818 / June 24, 1894.

This image (or other media file) is in the public domain because it's copyright has expired. This applies to the United States, where Works published prior to 1978 were copyright protected for a maximum of 75 years. See Circular 1 "COPYRIGHT BASICS" PDF. Works published before 1923, in this case 1894, are now in the public domain.

This image is also in the public domain in countries that figure copyright from the date of death of the artist (post mortem auctoris), in this case, George Peter Alexander Healy (1818–1894), and that most commonly runs for a period of 50 to 70 years from the last day of that year. +sookie tex