2018
First observance
National Beef Tallow Day
The 2017 announcement set establishment effective July 13, 2018; the coalition’s current page says the day was first established in 2018, and its 2023 page called that year the si…
Evergreen date guide
What is celebrated on July 13?
See the observances and verified observance-history milestones attached to July 13. Each observance keeps its own source and date details.
Verified history
Today in history →On this date in observance history
Selected observance milestones connected to this date, based on reviewed sources.
2005
First observance
National Barbershop Music Appreciation Day
Sweet Adelines says that in 2005, on its 60th anniversary, July 13 officially became Barbershop Music Appreciation Day.
Reviewed depth
Other in-depth guides on July 13
Source-backedFixed AnnualIn-depth guide
Gruntled Workers Day
The first-party Wellcat Holidays calendar lists Gruntled Workers Day on July 13 and identifies the collection as created by Thomas and Ruth Roy.
Source-backedRule Based AnnualIn-depth guide
International Town Criers Day
The Ontario Guild of Town Criers says International Town Criers Day began in 1997, was founded by Scott Fraser and is designated for the second Monday of July, with continuation reviewed an…
Source-backedFixed AnnualIn-depth guide
National Barbershop Music Appreciation Day
National Day Calendar states Sweet Adelines International founded the observance in 2005 for its 60th anniversary, tied to the organization’s July 13, 1945 founding date; a Sweet Adelines r…
Source-backedFixed AnnualIn-depth guide
National Beef Tallow Day
The Healthy Fats Coalition announced establishment of National Beef Tallow Day on July 10, 2017, effective July 13, 2018, timed to coincide with National French Fry Day; its current page an…
Source-backedFixed AnnualIn-depth guide
National Delaware Day
National Day Calendar lists National Delaware Day on July 13 within its privately created National State Days series. Delaware’s December 7, 1787 statehood date is kept separate, and Indige…
Source-backedFixed AnnualIn-depth guide
Statehood Day of Montenegro
The Government of Montenegro identifies July 13 as Statehood Day and explains the date as a symbol of Montenegrin statehood.
Explore the mix
All topics →Topics represented on July 13
6 observances
All observances on this date
Source-backedFixed AnnualIn-depth guide
Gruntled Workers Day
The first-party Wellcat Holidays calendar lists Gruntled Workers Day on July 13 and identifies the collection as created by Thomas and Ruth Roy.
Source-backedRule Based AnnualIn-depth guide
International Town Criers Day
The Ontario Guild of Town Criers says International Town Criers Day began in 1997, was founded by Scott Fraser and is designated for the second Monday of July, with continuation reviewed an…
Source-backedFixed AnnualIn-depth guide
National Barbershop Music Appreciation Day
National Day Calendar states Sweet Adelines International founded the observance in 2005 for its 60th anniversary, tied to the organization’s July 13, 1945 founding date; a Sweet Adelines r…
Source-backedFixed AnnualIn-depth guide
National Beef Tallow Day
The Healthy Fats Coalition announced establishment of National Beef Tallow Day on July 10, 2017, effective July 13, 2018, timed to coincide with National French Fry Day; its current page an…
Source-backedFixed AnnualIn-depth guide
National Delaware Day
National Day Calendar lists National Delaware Day on July 13 within its privately created National State Days series. Delaware’s December 7, 1787 statehood date is kept separate, and Indige…
Source-backedFixed AnnualIn-depth guide
Statehood Day of Montenegro
The Government of Montenegro identifies July 13 as Statehood Day and explains the date as a symbol of Montenegrin statehood.
How dates are selected
This page combines fixed annual dates, reusable calendar rules and year-specific dates confirmed for 2026. Variable or historical dates are included only when they are clearly supported.
Read the methodology →