Portal:Transport/Selected anniversaries/September 18
- 1502 – Christopher Columbus lands at Costa Rica on his fourth, and final, voyage.
- 1959 – Vanguard 3 launched into Earth orbit.
- 1961 – U.N. Secretary-General Dag Hammarskjöld dies in a plane crash while attempting to negotiate peace in the war-torn Katanga region of the Democratic Republic of the Congo.
- 1977 – Voyager I takes first space photograph of Earth and Moon together.
- 1980 – Soyuz 38 carries two cosmonauts (one Cuban) to Salyut 6 space station (pictured).
- 1984 – Joe Kittinger completes first solo balloon crossing of the Atlantic.