Portal:Technology/Selected anniversaries/April


 * 2 April 1975 – Construction of the CN Tower in Toronto, Ontario, Canada, tops out, beginning the 553.33 m tower's 34 year reign as the world's tallest free-standing structure
 * 3 April 2010 – The first iPad (pictured) is released by Apple, Inc.
 * 10 April 1861 – Governor of Massachusetts John Albion Andrew signs a charter incorporating the Massachusetts Institute of Technology
 * 15 April 1912 – The RMS Titanic, at the time the world's largest ship, sinks after hitting an iceberg the night before in one of the deadliest peacetime maritime disasters in history