There's nothing for today from the military calendar. We need to find something... Okay here we go, I'll put them here so they are peer reviewed before they are added to the calendar.
My source of information is
http://en.wikipedia.org/wiki/March_15
15 March:
44 B.C- Julius Caesar is assassinated on the steps of the Theatrum Pompeium by conspirators including Gaius Trebonius, Decimus Junius Brutus, Marcus Junius Brutus, and Gaius Cassius Longinus.
1781- American Revolutionary War: Battle of Guilford Courthouse - Near present-day Greensboro, North Carolina, 1,900 British troops under General Charles Cornwallis defeat an American force numbering 4,400.
1916- President Woodrow Wilson sends 12,000 United States troops over the Mexican border to pursue Pancho Villa.
1919- The American Legion is formed
1939- Nazi troops occupy the remaining part of Bohemia and Moravia; Czechoslovakia ceases to exist.
1944- Battle of Monte Cassino - Allied aircraft bomb the Nazi-held monastery and stage an assault.
1989- The United States Department of Veterans Affairs is established.
1991- Germany formally regains complete independence after the four post-World War II occupying powers (France, the United Kingdom, the United States and the Soviet Union) relinquish all remaining rights.
1991- Iraq hangs British journalist Farzad Bazoft for spying.
A more Canadian slant from
http://www.warmuseum.ca/cwm/tih/tih_e.html
15 March 1900
Canadian troops in South Africa enter Bloemfontein, the capital of the Orange Free State.
15 March 1918
Troops from the 5th Canadian Mounted Rifles carry out a "successful" raid against the German defences near Mericourt. For the loss of 32 men, Canadians kill 35 of the enemy and take 19 prisoners.
15 March 1979
In the Cabot Strait the British tanker Kurdistan breaks in two in heavy seas and ice. A Canadian Coast Guard vessel rescues 40 seamen from the sinking ship.
And here http://www.forces.gc.ca/hr/dhh/history_archives/engraph/significant_dates_e.asp?cat=1
15/3/1945
The First Canadian Corps takes over the sector along the Waal River in Holland upon its arrival from the Italian theatre of war. As a result, both Canadian corps now form part of the First Canadian Army.
Some more from http://www.strategypage.com/militaryhistory.asp
1916 Fifth Battle of the Isonzo ends (from Mar 5)
1930 USS Nautilus is launched
1942 Japanese begin an intensive bombardment of forts guarding Manila Bay.
1942 Hawaii: NY's 27th Inf Div arrives, first division to arrive overseas in WW II.
1943 U.S. Navy forces in the Central Pacific are designated the Fifth Fleet.
1944 U.S. Army troops invade Manus island in the Admiralties.
1945 British secure Mandalay.
1957 Britain becomes the third nation to detonate a nuclear bomb.
I think I over killed, ah well. While looking for these things I came across some that some could say could be military history. I would like to know the scope of the Today in History, what it does and doesn't include. Give some good examples of each. I don't want a "military history, duh" answer.