What is 1st?

1st may refer to:

  • First (ordinal): The ordinal number corresponding to the cardinal number one. It signifies the initial position or item in a sequence. First (ordinal) is commonly used in everyday language and mathematics.

  • 1st day of the month: Often used to refer to the beginning of a month (e.g., 1st of January). This indicates a specific date in the calendar.

  • 1st (military unit designation): A common designation for military units. For example, the 1st Battalion, the 1st Brigade, etc. These designations are used to identify and organize troops within a military structure.

  • 1st (car racing term): The winner of a race, usually the first person to finish a racing event or round.