International Snow Leopard Day – This day is observed to raise awareness about the plight of the snow leopard and to promote conservation efforts to protect this beautiful and endangered big cat.
Mole Day – This day is celebrated by chemists and chemistry students to commemorate Avogadro’s Number, which is a basic measure in chemistry. The day is celebrated with chemistry-related activities and puns.
World Polio Day – This day is observed to raise awareness about the eradication of polio and to honor the contributions of those who have worked to eradicate this crippling disease.
International Stuttering Awareness Day – This day is observed to raise awareness about stuttering and to promote understanding and support for people who stutter.
National Boston Cream Pie Day – This day is dedicated to the delicious dessert that consists of a cake filled with custard or cream and topped with chocolate icing.
4004 BC – According to the Ussher chronology, this is the date of the creation of the world.
42 BC – Roman Triumvirate is formed by Octavian (later known as Augustus), Mark Antony, and Lepidus.
425 – Valentinian III becomes the Western Roman Emperor at the age of six.
1642 – The Battle of Edgehill is fought in the First English Civil War.
1739 – The War of Jenkins’ Ear begins between Great Britain and Spain.
1812 – Napoleon’s Grande Armée begins its disastrous retreat from Moscow.
1850 – The first National Women’s Rights Convention takes place in Worcester, Massachusetts, United States.
1941 – The German Army captures the city of Moscow during World War II.
1956 – Hungary’s anti-Soviet revolution begins.
2001 – The iPod, Apple’s portable digital music player, is first introduced.