Who was the first woman to fly solo across the Atlantic?

Immanuel Kant’s *Critique of Practical Reason* (1788) focused on ethics, freedom, and the role of moral law.

Ferdinand Magellan led the first expedition to circumnavigate the globe (1519–1522); although he died en route, the voyage completed the circuit.

The fire of 1666 devastated London, destroying much of the medieval city but leading to improved urban planning.

Sputnik 1, launched in 1957 by the USSR, was the first artificial satellite, beginning the space race.

Lead's chemical symbol is Pb, from its Latin name 'plumbum,' reflecting historic use in pipes and construction.