| 1792 | born Horsham, Sussex, August 4, eldest son of Timothy Shelley. |
| 1802-4 | at Sion House Academy. |
| 1804-10 | at Eton. |
| 1810 | enters University College, Oxford. |
| 1811 | expelled for refusing to acknowledge or deny authorship of The Necessity of Atheism. Elopes with Harriet Westbrook; estranged from his father. |
| 1812 | in Ireland, campaigning for reform. |
| 1813 | Queen Mab. Daughter Ianthe born June 28. |
| 1814 | meets Mary Wollstonecraft Godwin; they elope in July to Switzerland. Son Charles born to Harriet November 30. |
| 1815 | daughter born to Mary (Feb. 22) lives only a few days. Percy's grandfather, Sir Bysshe Shelley, dies leaving him £1000/year. Father made a baronet. |
| 1816 | "Alastor." Son William born to Mary (Jan 24). The Shelleys living in Geneva, Percy meeting Byron daily. Harriet commits suicide in November. Percy marries Mary at the end of December. |
| 1817 | loses custody of his children by Harriet. Daughter Clara born Sept. 2. |
| 1818 | The Revolt of Islam. Moves to Italy for his health. Clara dies Sept. 24. Mary completes Frankenstein. |
| 1819 | The Cenci. June 7, William dies. Percy Florence born Nov. 12. |
| 1820 | Prometheus Unbound. Family moves to Pisa. Percy meets Emiliana Vivani |
| 1821 | "Epipsychidion" and "Adonais." Byron moves to Pisa. |
| 1822 | Shelley drowns (July 8) near Lerici, Italy, when his small sailboat sinks in a storm. |
| 1824 | The Witch of Atlas and The Triumph of Life published. |
| 1839 | Poetical Works. |
| 1840 | "Defence of Poetry." |
Incorporated in the Victorian Web July 2000