Day Guide for Monday September 11th 2023

This is our day guide for Monday September 11th 2023 which shows you at a glance what's happening on this day around the world. Using the calendar on this page, you can look at a day guide for any day. Why not look up your birthday to see which holidays you share it with?

Observances on September 11th 2023

Māori Language Week

Find out the dates, history and traditions of Māori Language Week.

National Hot Cross Bun Day

Food
USA

Find out the dates, history and traditions of National Hot Cross Bun Day

National Make Your Bed Day

Action
USA

When you are upset - just imagine a T-Rex trying to make a bed.

Patriot Day and National Day of Service and Remembrance

Find out the dates, history and traditions of Patriot Day and National Day of Service and Remembrance

National National Boss/Employee Exchange Day

Business
USA

A chance to experience and appreciate each other's role.

Emergency Number Day

General
USA

Find out the dates, history and traditions of Emergency Number Day.

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General Information for September 11th 2023

There are 6 observances on this day.
93 days to go.
Day 254 of 2023
111 days left in 2023
Week 37 of the year

Moon phase

On this Day in History

2001 - Two hijacked aircraft crash into the World Trade Center in New York City, while a third smashes into The Pentagon in Arlington County, Virginia, and a fourth into a field near Shanksville, Pennsylvania, in a series of coordinated suicide attacks by
1980 - Voters approve a new Constitution of Chile, later amended after the departure of president Pinochet.
1939 - World War II: Canada declares war on Germany, the country's first independent declaration of war
1852 - The State of Buenos Aires secedes from the Argentine Federal government, rejoining on 17 September 1861. Several places are named Once de Septiembre after this event.
1649 - Siege of Drogheda ends: Oliver Cromwell's English Parliamentarian troops take the town and execute its garrison.