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Notable people born on October 18

Born on October 18: Chuck Berry, Martina Navratilova, Zac Efron. Explore their profiles and birth-date sources. October 18 brings together notable birthdays and two very different milestones: the transfer of Alaska and a probe that sent data from the atmosphere of Venus.

People in this selection: 3

18 / 10

People born on this day

Chuck BerryMusician · October 181926
Martina NavratilovaCzech-American tennis playerBorn in 1956 · View source ↗1956
Zac EfronAmerican actor and singer (born 1987)Born in 1987 · View source ↗1987
October 18

A day in history

What happened on this date

  1. 1867

    Transfer of Alaska

    In Sitka, Russia formally transferred Alaska to the United States. The ceremony site is now a National Historic Landmark.

  2. 1967

    Venera 4 explored Venus

    The Soviet probe entered the atmosphere of Venus and transmitted measurements during descent. NASA records it as the first successful planetary atmospheric probe.

Seasons around the world

Northern HemisphereAutumnSouthern HemisphereSpring

These seasons describe temperate regions; places near the equator do not necessarily follow four distinct seasons.

In the religious calendar

Feast of Saint Luke

In the Catholic liturgical calendar, October 18 is the feast of Saint Luke the Evangelist. It is a religious observance, not an established birth date or date of a biblical event.

Choose a year · 2026–2035

The Moon and calendar traditions on this date

Calculated for 12:00 UTC on October 18, 2026

Moon phaseFirst quarterCalculated for the selected date and year. Phase names are approximate categories, not the exact instant of a new, quarter or full Moon.
Illuminated fraction48 %
Distance to the Moon403,100 kmApproximate geocentric distance, rounded to 100 km.
Chinese zodiac yearHorse · FireBased on the Chinese lunar year, which does not begin on January 1.
Western zodiacLibraTraditional date range; signs are not a scientific description of personality.
Catholic calendarSt. LukeA commemorated name, not a documented date for a biblical event. Vatican News ↗

Method and calendar: Astronomy Engine · Hong Kong Observatory · Encyclopaedia Britannica

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Sources to check the facts

A date to exploreNotable people born on October 18Discover who was born that dayNotable figuresNotable people born on October 25Katy Perry and Pablo PicassoAn unusual dateNotable people born on February 29Occurs only in leap years