April 12 – The Civil War Began (1861) April 15 – The Titanic Sinks (1912) April 15 – Tax Day April 18 – Earthquake hits San Francisco (1906) April 22 – Earth Day April 23 – Shakespeare’s Birthday (1564) William Shakespeare has been called the greatest writer in the English language. From about 1590 to 1613, he wrote 36 plays, including tragedies (Hamlet), comedies (A Midsummer Night’s Dream), and histories (Henry V). And he wrote all of his thousands of words with a quill pen made from birds’ feathers! Today, his plays are performed all over the world and in dozens of different languages. Use our unit on Shakespeare to teach about…