Zack Snyder’s “Batman v Superman: Dawn of Justice” premiered at Mexico City’s Auditorio Nacional.
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David Bowie got married.
The Second Iraq War began after an airstrike took place in the country by combined US and British forces.
Water-bearing minerals were discovered on Mars by NASA's Curiosity Rover.
Prince Philip of Edinburgh opened Britain's first planetarium at Madame Tussaud's in London.
The Standard Time Act was signed into US law, introducing Daylight Saving Time.
