Short answers, pulled from the story.
Oscar Fingal O'Fflahertie Wills Wilde entered the world on the 16th of October 1854 at 21 Westland Row in Dublin. His mother Jane Elgee wrote poetry under the pseudonym Speranza for the revolutionary Young Irelanders in 1848.
Richard D'Oyly Carte invited Oscar Wilde to make a lecture tour of North America starting on the 2nd of January 1882 when he arrived aboard the SS Arizona. The tour originally planned to last four months continued for almost a year owing to its commercial success despite hostile press reception from publications like Harper's Weekly.
On the 18th of February 1895 Marquess of Queensberry left calling card at Oscar Wilde's club Albemarle inscribed For Oscar Wilde posing somdomite which led to private prosecution against Queensberry for defamatory libel. Under Libel Act 1843 Queensberry could avoid conviction only demonstrating accusation fact true furthermore some public benefit making accusation openly.
Oscar Wilde remained incarcerated from the 25th of May 1895 to the 18th of May 1897 after being convicted of gross indecency with Alfred Taylor. He spent time in Newgate Prison London then Pentonville where hard labour consisted many hours walking treadmill picking oakum separating fibres scraps old navy ropes before moving to Wandsworth Prison and Reading Gaol.
The first version of The Picture of Dorian Gray was published as lead story in July 1890 edition of Lippincott's Monthly Magazine along with five others while Lady Windermere's Fan was first performed on the 20th of February 1892 at St James's Theatre packed with cream of society. In France Italy Oscar Wilde wrote last work The Ballad of Reading Gaol 1898 long poem commemorating harsh rhythms prison life.