International On This Day - January 21, 2027

International observance days, weeks, and months for January 21, 2027. Plus historical events and birthdays.

2027

International observance days on January 21, 2027

Historical Events on January 21

Events that occurred on January 21 throughout history

1921

Publishing house The Bodley Head published British author Agatha Christie’s debut novel in the United Kingdom, The Mysterious Affair at Styles. The novel was released in the United States a few months earlier.