March 31st

Terri Schiavo died at a hospice in Pinellas Park, Fla., 13 days after her feeding tube was removed in a wrenching right-to-die dispute.
Terri Schiavo case
Four American civilian contractors were killed in Fallujah, Iraq. frenzied crowds dragged their burned, mutilated bodies and strung two of them from a bridge.
2004 Fallujah ambush
The film The Matrix is released. The science fiction story about the adventures of computer programmer, Neo, was not only a commercial success but also left a lasting impression on action film-making through its creative use of slow-motion and spinning cameras.
The Matrix
Major League Baseball players agreed to end the sport’s longest strike in history after a judge ordered a preliminary injunction against team owners.
1994–95 Major League Baseball strike
The U.N. Security Council voted to ban flights and arms sales to Libya, branding it a terrorist state for shielding six men accused of blowing up Pan Am Flight 103 and a French airliner.
United States embargo against Cuba
The first edition of WrestleMania is held in New York. The annual event is the world's most important wrestling meet. It is the biggest event organized by World Wrestling Entertainment (WWE).
WrestleMania I
The New Jersey Supreme Court ruled that coma patient Karen Anne Quinlan could be disconnected from her respirator. (Quinlan remained comatose and died in 1985.).
Timeline of disability rights in the United States
President Lyndon Johnson announced that he would not run for re-election.
Robert F. Kennedy presidential campaign, 1968
US orders first combat troops to Vietnam.
1965 in the Vietnam War
Following a coup d'etat, a military dictatorship takes charge in Brazil. The regime under Humberto Castelo Branco suppressed the left-wing opposition, leading to widespread social unrest and strike action, especially in 1968.
1964 Brazilian coup d'état
The Dalai Lama, fleeing Chinese repression of an uprising in Tibet, arrived at the Indian border and was granted political asylum.
History of Tibet (1950–present)
Newfoundland became Canada's tenth province.
Newfoundland and Labrador
The Rodgers and Hammerstein musical "Oklahoma!" opened on Broadway.
British parliament accepts Irish Home Rule law.
Government of Ireland Act 1920
The United States switch to DST for the first time. Most areas in the U.S. change the clocks twice a year. Exceptions include Hawaii and most of Arizona. The first country to ever use DST was Germany in 1916.
Daylight saving time in the United States
The United States took possession of the Virgin Islands from Denmark.
United States Virgin Islands
The Eiffel Tower is opened. French engineer Alexandre Gustave Eiffel unfurled a French flag from the top of the tower, which has since become the most iconic landmark of Paris.
Eiffel Tower
English Parliament makes the Humble Petition to Lord Protector Oliver Cromwell offering him the crown: he declines.
Wikipedia:WikiProject Missing encyclopedic articles/DNB Epitome 13
Queen Isabella and King Ferdinand of Aragon issue the Alhambra Decree which expels Jews from their Kingdoms of Castile and Aragon.
Alhambra Decree
Bernard of Clairvaux preaches his famous sermon in a field at Vézelay, urging the necessity of a Second Crusade. Louis VII is present, and joins the Crusade.
Second Crusade