Saint Patrick’s Day: This day is observed to celebrate the patron saint of Ireland, Saint Patrick, who is known for bringing Christianity to Ireland and spreading Irish culture across the world.
World Social Work Day: This day is observed to celebrate social workers across the world who help people to overcome social and economic difficulties, and improve their lives.
National Quilting Day: This day is observed to celebrate the art and craft of quilting, which involves stitching together layers of fabric to create a warm and cozy blanket or decorative piece.
Submarine Day: This day is observed to commemorate the invention of the first successful submarine, called the USS Holland, which was commissioned by the United States Navy on March 17, 1900.
45 BC – In his last victory, Julius Caesar defeats the Pompeian forces of Titus Labienus and Pompey the Younger in the Battle of Munda.
432 – Saint Patrick, the patron saint of Ireland, dies in Saul, Downpatrick, Ireland.
1861 – The Kingdom of Italy is proclaimed.
1942 – World War II: General Douglas MacArthur, Supreme Commander of the Southwest Pacific Theatre, escapes an assassination attempt when his plane is strafed while parked at Batchelor Airfield in the Northern Territory of Australia.
1969 – Golda Meir becomes the first female Prime Minister of Israel.
1992 – A referendum to end apartheid in South Africa is passed, paving the way for multi-racial elections.
2014 – Malaysia Airlines Flight MH370 disappears en route from Kuala Lumpur to Beijing with 239 people on board, prompting one of the largest search and rescue efforts in history.
2019 – A mass shooting at two mosques in Christchurch, New Zealand, leaves 51 people dead and 50 injured.