Apollo 11, the first crewed mission to land on the Moon, touched down in the Sea of Tranquility on July 20, 1969. The landing site was chosen for its flat and relatively smooth surface.

"The Divine Comedy" is an Italian long narrative poem by Dante Alighieri, begun in 1308 and completed in 1320, a year before his death in 1321. It is widely considered one of the greatest works of world literature and represents the allegorical journey of the soul toward God. The poem's three parts are "Inferno," "Purgatorio," and "Paradiso."

The mini skirt is often seen as a symbol of the counterculture and women's liberation movements of the 1960s. It rejected previous conservative styles and embraced a bolder, more youthful look as society underwent major social changes.

The first FIFA World Cup was hosted by Uruguay in 1930, and the home nation won the tournament, defeating Argentina 4-2 in the final.

On March 23, 1965, Astronaut Virgil ‘Gus’ Grissom became the first person to travel into space twice when he and John Young piloted the Gemini 3 spacecraft.

Australia was one of the first countries to grant women the right to vote. The Commonwealth Franchise Act of 1902 extended the right to vote to most women in Australia for federal elections, with state voting rights following suit over time.

The symbol K comes from kalium, the Medieval Latin word for potash, which contains potassium in water-soluble compounds. The chemical symbol for potassium is K, not P, to avoid confusion with the symbol for phosphorus.

Clogging is a type of folk dance with roots in traditional English step dance. The dance became quite popular in Appalachian regions in the United States, where it evolved and integrated with other dance forms.

Samhain is traditionally celebrated from the evening of October 31 to the evening of November 1. It marks the end of the harvest season and the beginning of winter or the "darker half" of the year. It is often associated with the Gaelic festival that celebrates the end of the harvest period and is considered a precursor to the modern Halloween.

Lung cancer is the most commonly diagnosed cancer as well as the leading cause of cancer death worldwide. Smoking tobacco is the most important risk factor for developing lung cancer.