Several holidays fall on September 16 this year, including the following.
Mayflower Day - Celebrates the day the Mayflower left England and set sail for the New World.
Mayflower Day Fun Fact from HolidayInsights.com:
September 16, 1620, 102 men, women, and children set sail from Plymouth, England. Their destination was the New World, where they could have religious freedom, and continue using their native language, culture, and customs.
Every Mayflower Day, we commemorate these brave, early settlers. They were the very first immigrants, and helped to pave the way for millions more to follow, in search of freedom and the dreams and promises of a New World.
National Working Parents Day - Celebrates hardworking moms and dads and their contributions to their families and to society.
National Collect Rocks Day - A good day to collect rocks to add to or launch a collection.
National Step-Family Day - Celebrates step families and encourages them to foster closer connections via a picnic or other family celebration event. The inaugural Step Family Day was held on September 16, 1997. and it was celebrated with a picnic. That's why a lot of people choose to celebrate with a picnic at a park today.
Mexican Independence Day History in a Nutshell (via Holiday Insights.com) In 1810, Father Miguel Hidalgo of Dolores, Mexico planned to revolt in order to free the country from Spanish rule. On September 15, 1810 at 11:00 pm, Father Hidalgo rang his church bell to call his parishioners, and rally them to fight off Spanish rule. He then made a speech to his congregation, and the fight for freedom began.
National Play-Doh Day - Celebrates the non-toxic childhood learning, art and tactile staple that was first invented by a mom/teacher and later adopted by a multi-million dollar corporation, landing it in the homes and carpets of families everywhere. (I found this cool post from Mental Floss about fun Play-Doh day facts!)