While training for combat on the fields of Yale University in 1917, Private J. Robert Conroy found a brindle puppy with a short tail. He named him Stubby, and soon the dog became the mascot of the 102nd Infantry, 26th Yankee Division. He learned the bugle calls, the drills, and even a modified do

In the early days of electronic computers, memory was not as efficient or inexpensive as it is today. To save memory space, programs stored as few digits as possible for dates. In COBOL, for instance, January 1, 1999, was stored as 010199. As Year 2000, or Y2K for short, approached, it became app

This cotton miner’s cap has a leather brim with a leather lamp bracket holding a carbide lamp. A small union pin that reads “United Mine Works of America 2 1934, Working Button” is attached to the side of the cap. Before head protection became mandatory in industrial workplaces, miner’s c

Leotard worn by gymnast Dominique Dawes (b. 1976) at the 1996 Summer Olympic games, held in Atlanta, Georgia. At the games she won gold as part of the first place U.S. team. The Maryland native also took home an individual bronze for her performance in the floor exercise, becoming the first African

In the early 1960s, the Chicago firm of Playskool introduced this educational toy for children three to six years old, seeking to give them an early familiarity with numbers. It has two rows of relatively large rotating wooden rectangular blocks, each with a row of square rotating wooden blocks belo

This website, from the Library of Congress, was designed especially with young people in mind, but there are great stories and information for people of all ages. Through the use of short essays, biographies, interactive games and activities, students can explore every era of  American histo

This downloadable, annotated bibliography accompanies the online exhibition, Separate is Not Equal: Brown v. Board of Education. It includes links to online teacher materials and age appropriate works of fiction and n

The Centro de Estudios Puertorriqueños is a research center dedicated to the study and interpretation of the Puerto Rican experience in the United States. Operating out of Hunter College, the City University of New York, the Centro is committed to making their research available and useful to th

A core component of the California Digital Library, the Online Archive of California (OAC) is a digital information resource that facilitates and provides access to materials such as manuscripts, photographs, and works of art held in libraries, museums, archives, and other institutions across Cal

During the colonial period, cattle horns were used by woodsmen and by soldiers for storing gunpowder in a safe, dry place. The horns also became decorative objects as they were personalized by the owner. Makers carved names, initials, dates, flags, battles, and even full maps on the exterior of t