Martyrs' Day is a national day of mourning in Azerbaijan observed on January 20th every year. It commemorates the victims of the Black January events of 1990, when the Soviet government violently suppressed peaceful Azerbaijani demonstrations in Baku, the capital of Azerbaijan.

On January 20, 1990, Soviet troops stormed Baku, killing hundreds of Azerbaijani civilians and wounding thousands more. The events of Black January are considered a turning point in Azerbaijan's history, as they sparked a renewed sense of national identity and determination to achieve independence from the Soviet Union.

In commemoration of Martyrs' Day, Azerbaijanis hold solemn ceremonies and commemorations throughout the country. These events often include laying flowers at memorials to the victims, attending religious services, and observing a moment of silence.

Martyrs' Day is a day to remember the sacrifices made by those who died for Azerbaijan's independence and to reaffirm the country's commitment to peace and democracy. It is also a day to honor the memory of all those who have lost their lives in the fight for freedom and justice.

Here are some additional details about Martyrs' Day in Azerbaijan:

• It is a national holiday, and schools and most businesses are closed.
• Azerbaijanis often wear black on Martyrs' Day as a sign of mourning.
• There are many public memorials dedicated to the victims of Black January, including the Martyrs' Alley in Baku.
• Martyrs' Day is a day of reflection and remembrance, and it is a time for Azerbaijanis to come together to honor their fallen heroes.