The first reference to anything written by Shakespeare is by Thomas Greene in 1592, who parodies the line "A tyger's heart wrapp'd in a woman's hide" from Part 3 of Henry VI. Greene does not actually mention the play.
Shakespeare was not credited with writing anything until Venus and Adonis was published in 1593. Quarto editions of his plays started to appear in 1594.
We have no idea when Shakespeare first tried writing poetry.
When Shakespeare started writing plays, Elizabeth I was Queen of England.
Greek playwrights like Aeschylus, Sophocles, Euripides and Aristophanes were writing plays over 1800 years before Shakespeare was born. The Greek actor/playwright Thespis is credited with being the first actor and the first playwright around 535 BCE (BC).
William Hill Brown is credited with writing the first American novel, The Power of Sympathy. It was published in 1791 and follows the a love story between two siblings who tragically don't know they are related.
We presume that Shakespeare did not start writing plays until after he moved to London to make a living in the entertainment world.
His first name was WILLIAM
The person that wrote Romeo and Juliet is William Shakespeare.
Shakespeare although he is usually known just as Shakespeare his first name William. so William Shakespeare is his full name.
Writing was not Shakespeare's only career, and probably not his first.
William Shakespeare first daughter was Susanna.
William Shakespeare
He has the first credited use of eyeball and assassination.