US Constitution Signed in Philadelphia (1787)

The US Constitution embodies the fundamental principles upon which the American republic is conducted. It was drawn up at the Constitutional Convention in Philadelphia and signed in 1787, and it was ratified by the required number of states the following year. It superseded the Articles of Confederation in force since 1781 and established the system of federal government that began to function in 1789. It includes seven articles and a preamble. How many amendments have since been adopted? Discuss

Maureen Connolly (1934)

Known as “Little Mo,” Connolly was one of America’s greatest female tennis players. At 14, she became the youngest winner of the National Girl’s Tournament. At 16, she became the youngest player to win the US national singles championship and successfully defended the title in the two years that followed. She also won three straight Wimbledon championships starting in 1952. In 1953, she became the first woman to win all four Grand Slam tournaments in the same year. Why did she retire at age 19? Discuss

Photographic Mosaics

Simply speaking, a photographic mosaic is a picture made of smaller pictures. Often used to recreate iconic images such as the Mona Lisa, photomosaics are created by replacing rectangular sections of an image with smaller pictures or photographs of an average color. When viewed from afar, a primary image is visible. When examined closely, the hundreds or thousands of smaller images acting as pixels are revealed. In 1994, a photomosaic of John F. Kennedy was created with pictures of whom? Discuss

Mayflower Sets Sail for New England (1620)

The Mayflower set sail from England to the New World with 102 passengers and about 25 crew members. After a two-month voyage marked by disease, the ship dropped anchor in Cape Cod Bay. After spending the winter selecting a suitable site for their new colony and drawing up an agreement for its temporary government by the will of the majority—the Mayflower Compact—the surviving passengers settled Plymouth. Why did the Speedwell, which set out with the Mayflower, turn back? Discuss

Julia Drusilla (16 CE)

Drusilla was the sister of the Roman Emperor Caligula, a man widely characterized as insane, autocratic, and cruel. Drusilla was reportedly her brother’s favorite sibling. During banquets at his residence, she consistently occupied the seat of honor normally reserved for the host’s wife and, perhaps because of this practice, was rumored to be Caligula’s lover. Upon Drusilla’s death, Caligula had the Roman Senate declare her “Diva Drusilla,” deifying her as a representation of what goddess? Discuss

Orcas

Found in oceans worldwide, orcas display sophisticated hunting techniques and social behaviors that have been described by experts as manifestations of a shared culture. Like other dolphins, orcas produce a variety of vocalizations used for communication and echolocation. Orca mothers have even been observed training their young in the group’s dialect, and it is said that groups that share ancestors are likely to have a similar set of call types. What does this suggest about orca vocal behavior? Discuss

Steam Locomotive John Bull Operates for the First Time (1831)

The John Bull is a steam locomotive that ran on the Camden and Amboy Railroad, the first railroad built in New Jersey. Retired in 1866, the locomotive was acquired by the Smithsonian in 1885 and became the oldest operable steam locomotive in the world in 1981, when it was operated in commemoration of the 150th anniversary of its first use. Though its official name was Stevens, crews began calling it John Bull, and the name eventually stuck. What made them choose that name? Discuss