[Answer] What passenger on United Airlines Flight 93 famously declared 'Let's Roll!' during the September 11 attacks?"

Step 1 : Introduction to the question "What passenger on United Airlines Flight 93 famously declared 'Let's Roll!' during the September 11 attacks?""

...Todd Beamer was a passenger on United Airlines Flight 93, one of the four planes hijacked during the September 11, 2001, terrorist attacks. He became known for his heroic actions as he and other passengers attempted to regain control of the plane from the hijackers. During a phone call with a GTE Airfone operator, Beamer famously said, "Let's Roll!" — a rallying cry for their effort to thwart the hijackers' plans. Their courageous actions led to the plane crashing in a field near Shanksville, Pennsylvania, preventing it from reaching its intended target.

[Answer] Which television show was the first to introduce the practice of airing reruns?

Step 1 : Introduction to the question "Which television show was the first to introduce the practice of airing reruns?"

..."I Love Lucy" was the first television show to introduce the practice of airing reruns. In 1952, when Lucille Ball became pregnant, the producers faced a challenge: how to keep the series on air during her maternity leave. They decided to re-broadcast previously aired episodes, an innovative concept at the time. The success of this strategy demonstrated the viability of reruns, leading to their widespread adoption in television. "I Love Lucy" not only pioneered reruns but also set a precedent that became a staple of television for decades.

[Answer] Where was America’s first boardwalk?

Step 1 : Introduction to the question "Where was America’s first boardwalk?"

...Atlantic City, New Jersey, is home to the first boardwalk in the United States, a landmark that revolutionized seaside tourism. Constructed in 1870, it was originally built to help keep sand out of the lobbies of oceanfront hotels, and quickly became a destination in itself. It set the stage for the development of other boardwalks across the country, transforming the concept of beachfront recreation. Today, it remains an iconic symbol of American seaside culture, known for its historic piers, amusement rides, and diverse attractions.

[Answer] What board game was invented for quarantined children?

Step 1 : Introduction to the question "What board game was invented for quarantined children?"

...Candy Land was invented in 1948 by Eleanor Abbott, a retired schoolteacher, in a San Diego hospital. Abbott had been diagnosed with polio and during her convalescence she was surrounded by children suffering from the same disease. The experience inspired her to create a game that would entertain children during a painful and lonely time in their lives. Candy Land was so popular among the young hospital patients that Abbott decided to pitch it to Milton Bradley. Though polio has since been eradicated, the magic of Candy Land lives on.

[Answer] What is the nickname of the market crash that triggered the Great Depression?

Step 1 : Introduction to the question "What is the nickname of the market crash that triggered the Great Depression?"

...The market crash that triggered the Great Depression is famously known by the nickname "Black Tuesday." This catastrophic event occurred on October 29, 1929, when the U.S. stock market experienced an unprecedented and dramatic drop in value. As panic swept through Wall Street, frantic selling ensued, wiping out billions of dollars and devastating investors within hours. The crash marked the beginning of a decade-long economic downturn that affected economies worldwide, causing widespread unemployment, poverty, and significant social and political changes.