March 21 in world history: From Alcatraz’s closure to defining moments in war, politics and culture

March 21 has been marked by pivotal events spanning centuries, from the shutdown of one of the world’s most notorious prisons to major turning points in civil rights, global politics, science, and culture. The day captures how history evolves through conflict, reform, and innovation.

1963 – Alcatraz Prison Shuts Down

The infamous prison on Alcatraz Island was officially closed by the US government. Known for housing high-profile criminals such as Al Capone and Robert Stroud, the “Birdman of Alcatraz,” the facility had long been considered escape-proof. The prison ultimately shut due to high operating costs, later becoming part of the National Park Service and a major tourist attraction.

2017 – Martin McGuinness Dies

Martin McGuinness, a key figure in Northern Ireland’s peace process, died at the age of 66. Once associated with the Irish Republican Army, he later played a central role in negotiating the 1998 Good Friday Agreement, helping to bring an end to decades of conflict.

2006 – First Tweet Marks Social Media Era

Jack Dorsey posted the first public message on the platform that would become Twitter (now X), writing: “just setting up my twttr.” The moment marked the beginning of a social media revolution that would transform communication, news, and global interaction.

1990 – Namibia Gains Independence

After more than a century under German and later South African rule, Namibia officially gained independence. The milestone marked the end of colonial control and the beginning of a new democratic era for the nation.

1980 – ‘Who Shot J.R.?’ Captivates Viewers

The popular TV show Dallas aired one of the most famous cliffhangers in television history, with the shooting of character J.R. Ewing. The mystery of “Who shot J.R.?” became a cultural phenomenon, drawing global attention and redefining television storytelling.

1980 – US Boycotts Moscow Olympics

US President Jimmy Carter announced that the United States would boycott the 1980 Moscow Olympics in protest of the Soviet invasion of Afghanistan. The decision underscored how global politics can directly impact international sporting events.

1965 – Selma to Montgomery March Begins

Civil rights leader Martin Luther King Jr. led the historic march from Selma to Montgomery, Alabama. The protest played a critical role in the passage of the Voting Rights Act, marking a major victory in the fight against racial discrimination in the United States.

1685 – Johann Sebastian Bach Born

Johann Sebastian Bach, widely regarded as one of the greatest composers in history, was born. His work would go on to define Baroque music and influence generations of musicians.

1806 – Benito Juárez Born

Benito Juárez, a national hero of Mexico, was born. He later led major liberal reforms and resisted foreign intervention, shaping Mexico’s modern identity.