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# March 3 - The date of the next Square root day

Summer 68 by Pink Floyd.

March 5 - The 2nd World Baseball Classic will begin

# March 12 - STS-127, Space Shuttle Endeavour will deliver and install the final component of the Japanese Experiment Module

The 2009 NCAA Men's basketball Tournament Final Four will be held at Ford Field in Detroit, Michigan

# NASA Dawn robotic spacecraft: Mars flyby, gravity assist en route to Vesta and Ceres

April 2 — 100 Hours of Astronomy begins. This is a cornerstone project of the International Year of Astronomy.

April 9 - Birkat HaHammah. Jewish prayer recited once every twenty-eight years on the day the sun returns to the position that it had when the Universe was first created.

April 11 — Neptune will return to the same degree and minute as when it was discovered, 163 years previously. (September 23, 1846)

# The New Yankee Stadium and Citi Field will open.