No. 1564 - 1616
I belive it was his sonnets. The original quarto of Shakespeare's Sonnets was published in 1609 by Thomas Thorpe. The absence of the customary author's dedication or benediction - and other evidence associated with the poems - suggest, however, that Shakespeare was not a party to the publication process.
William Shakespeare
After 1564, when he was born, and before 1609, when it was published. That's all we know.
Shakespeare's sonnets was created in 1609.
They are the poems numbered 1- 154 in the book, Shakespeare's Sonnets, published in 1609 plus a few included within the script of a number of his plays.
1609
Shakespeare's Sonnets were published in 1609 for the first time. Also Quarto editions of Pericles, Romeo and Juliet and Troilus and Cressida.
1609
The volume Shakespeare's Sonnets [1609] contains 154 sonnets, so the usual answer to this question is 154. There are a few 'sonnets' embedded in the plays (particularly in Romeo and Juliet); but people don't normally include these among Shakespeare's Sonnets (for a number of reasons).
William Tirry was born in 1609.
William Domville was born in 1609.
William Bentney was born in 1609.