7 March Events

March 7 is the 66th day of the year (67th in leap years) in the Gregorian calendar. There are 299 days remaining until the end of the year. This date is slightly more likely to fall on a Monday, Wednesday or Saturday (58 in 400 years each) than on Thursday or Friday (57), and slightly less likely to occur on a Tuesday or Sunday (56).

Events
161 – Emperor Antoninus Pius dies and is succeeded by his adoptive sons Marcus Aurelius and Lucius Verus.
238 – Roman subjects in the province of Africa revolt against Maximinus Thrax and elect Gordian I as emperor.
321 – Emperor Constantine I decrees that the dies Solis Invicti (sun-day) is the day of rest in the Empire.
1277 – Stephen Tempier, bishop of Paris, condemns 219 philosophical and theological theses.
1573 – A peace treaty is signed between the Ottoman Empire and the Republic of Venice, ending the Ottoman–Venetian War (1570–73) and leaving Cyprus in Ottoman hands.
1799 – Napoleon Bonaparte captures Jaffa in Palestine and his troops proceed to kill more than 2,000 Albanian captives.
1814 – Emperor Napoleon I of France wins the Battle of Craonne.
1827 – Brazilian marines unsuccessfully attack the temporary naval base of Carmen de Patagones, Argentina.
1827 – Shrigley abduction: Ellen Turner is abducted by Edward Gibbon Wakefield, a future politician in colonial New Zealand.
1850 – Senator Daniel Webster gives his "Seventh of March" speech endorsing the Compromise of 1850 in order to prevent a possible civil war.
1862 – American Civil War: Union forces defeat Confederate troops at the Pea Ridge in northwestern Arkansas.
1876 – Alexander Graham Bell is granted a patent for an invention he calls the "telephone".
1900 – The German liner SS Kaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
1902 – Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
1914 – Prince William of Wied arrives in Albania to begin his reign as King.
1936 – Prelude to World War II: In violation of the Locarno Pact and the Treaty of Versailles, Germany reoccupies the Rhineland.
1945 – World War II: American troops seize the Ludendorff Bridge over the Rhine river at Remagen.
1950 – Cold War: The Soviet Union issues a statement denying that Klaus Fuchs served as a Soviet spy.
1951 – Korean War: Operation Ripper: United Nations troops led by General Matthew Ridgway begin an assault against Chinese forces.
1965 – Bloody Sunday: a group of 600 civil rights marchers is brutally attacked by state and local police in Selma, Alabama.
1967 – Majelis Permusyawaratan Rakyat Sementara (MPRS), Indonesian provisional parliament, revoked Sukarno's mandate as President of Indonesia.
1968 – Vietnam War: The United States and South Vietnamese military begin Operation Truong Cong Dinh to root out Viet Cong forces from the area surrounding Mỹ Tho.
1971 – Sheikh Mujibur Rahman delivers his historic speech at Suhrawardy Udyan.
1985 – The song "We Are the World" receives its international release.
1986 – Challenger Disaster: Divers from the USS Preserver locate the crew cabin of Challenger on the ocean floor.
1987 – Lieyu massacre: Taiwanese military massacre of 19 unarmed Vietnamese refugees at Donggang, Lieyu, Kinmen.
1989 – Iran and the United Kingdom break diplomatic relations after a row over Salman Rushdie and his controversial novel, The Satanic Verses.
2006 – The terrorist organisation Lashkar-e-Taiba coordinates a series of bombings in Varanasi, India.
2007 – The British House of Commons votes to make the upper chamber, the House of Lords, 100% elected.
2009 – The Real Irish Republican Army kills two British soldiers and injures two other soldiers and two civilians at Massereene Barracks, the first British military deaths in Northern Ireland since the end of The Troubles.

Holidays and observances
Christian feast day:
Blessed José Olallo
Blessed Leonid Feodorov (Russian Greek Catholic Church)
Perpetua and Felicity
Pierre-Henri Dorie, Siméon-François Berneux (part of The Korean Martyrs)
March 7 (Eastern Orthodox liturgics)
Liberation of Sulaymaniyah (Iraqi Kurdistan)
Teacher's Day (Albania)

Source: Wikipedia