When Charles kingsford smith was first to cross the pacific ocean by plane he crossed the equator what two other lines did he cross?

When Charles Kingsford Smith became the first person to fly across the Pacific Ocean, he crossed the equator and the International Date Line. The crossing of the equator marked his journey from the Northern Hemisphere to the Southern Hemisphere, while the International Date Line signifies the transition between calendar days. This historic flight emphasized the significance of long-distance aviation in connecting different parts of the world.