Stories
People, moments, and the dates that connect them.
FEATURED TODAY · October 22, 2026 · UTC
Date discoveriesThe Obama family: why three matches are not Always
Michelle and Malia's birthdays align in ordinary years, with a leap-year exception.
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June 29 and August 24: eight weeks apart
A worked example you can check with any calendar.
Date discoveriesDonald and Melania Trump: a recurring birthday match
April 26 and June 14 share a weekday every year, independently of their original birth years.
Date discoveriesEinstein and Serena Williams: different fields, one weekday pattern
March 14 and September 26 belong to the same permanent date group.
Date discoveriesFive birthdays, no matching pair
A hypothetical March group shows what a true Never result requires.
Date discoveriesWhen a birthday and an anniversary share a weekday
March 6 and July 17 illustrate a connection across different kinds of personal dates.
Historical datesApollo 11: why the first step has two calendar dates
The Moon landing and the first step show why an event needs a time reference.
Historical datesJuly 4 and August 2: two milestones in one declaration
Adopting a document and signing its engrossed copy are different events.
Historical datesJune 19: an anniversary with a specific historical meaning
Keep the story behind General Order No. 3 attached to the date.
Historical datesThe UN Charter: signing and entry into force
June 26 and October 24 mark different stages in the same institution's beginning.
Historical datesDecember 17: an event date before a weekday pattern
The Wright brothers' first flights offer a starting point for checking an anniversary.
Historical datesApril 30, 1993: the Web's public-domain milestone
A software-release date is a specific event, not the beginning of every part of the Internet.
Celebrity connectionsBarack Obama's August 4: a connection that reaches September
August 4 and September 1 show why matching dates need not sit in the same month.
Celebrity connectionsJune 14 and December 13: Donald Trump's birthday across seasons
A summer date and a winter date can retain the same weekday relationship.
Celebrity connectionsEinstein's March 14 and the week that follows
The simplest connection can explain the larger calendar pattern.
Celebrity connectionsCéline Dion's March 30 and a June birthday
March 30 and June 29 illustrate a connection across three months.
Celebrity connectionsMbappé's December 20 and the week before
A football birthday offers a clear December comparison.
Celebrity connectionsLeBron James: December 30 connects with October 14
The end of December can share a weekday with an autumn birthday.
Celebrity connectionsSerena Williams: September 26 and an August connection
A tennis birthday and Michael Jackson's August 29 share a recurring weekday.
Celebrity connectionsBeyoncé's September 4: a weekly pattern inside September
September 4 and September 11 show how a small interval supports a permanent result.
Celebrity connectionsOprah Winfrey's January 29 and the first day of the year
January 1 and January 29 align without crossing the leap-day boundary.
Celebrity connectionsRihanna's February 20 and a January connection
January 2 and February 20 align before leap day enters the comparison.