Skip to content

125th anniversary: The Marconi International Marine Communication Company specified CQD (audio...

History · Anniversaries · Sun, January 7, 2029

Source

1904: The Marconi International Marine Communication Company specified CQD (audio featured) as the distress signal to be used by its operators.

Also on Jan 7, 2029

Source, method and history
Source
Wikipedia
How we know
Wikipedia "On this day" selected anniversary, 125 years (1904 to 2029).
Recurs
annual
Feed
Subscribe to Anniversaries
Changes
  • 2026-09-25: added to 2029-01-07

Calendar by email

Sunday mornings: a look ahead at the week’s major dates, only when there are some.

Double opt-in. Unsubscribe any time.