Grandparents Day in United States
Grandparents Day in United States is held on September 13. 1978. This event in the second decade of the month september is annual.
Defenders Day on September 12 (Maryland, United States);
National Chocolate Milkshake Day on September 12 (United States);
National or International Chocolate Day on September 13 (United States, the U.S. National Confectioners Association);
National Celiac Awareness Day on September 13 (The United States Senate has once again designated September 13th as "National Celiac Awareness Day." According to the resolution, the Senate "recognizes that all people of the United States should become more informed and aware of celiac disease" and encourages all Americans to participate in activities that celebrate this day. Celiac disease affects an estimated 3 million Americans, 85% of whom remain undiagnosed or misdiagnosed);
National Pet Memorial Day in US on September 13 (Second Sunday of September);
National Arts in Education Week in US on September 13 (takes place annually during the week beginning with the second Sunday of September);