Question: On what date did the creator of Peace Concluded die?

Knowledge 1: Peace Concluded
Peace Concluded, 1856 (1856) is a painting by John Everett Millais which depicts a wounded British officer reading "The Times" newspaper's report of the end of the Crimean War. It was exhibited at the Royal Academy in 1856 to mixed reviews, but was strongly endorsed by the critic John Ruskin who proclaimed that in the future it would be recognised as "among the world's best masterpieces". The central figure in the painting is a portrait of Millais's wife Effie Gray, who had previously been married to Ruskin. [SEP] Knowledge 2: John Everett Millais
Sir John Everett Millais, 1st Baronet ( , ; 8 June 1829 – 13 August 1896) was an English painter and illustrator who was one of the founders of the Pre-Raphaelite Brotherhood. He was a child prodigy who, aged eleven, became the youngest student to enter the Royal Academy Schools. The Pre-Raphaelite Brotherhood was founded at his family home in London, at 83 Gower Street (now number 7). Millais became the most famous exponent of the style, his painting "Christ in the House of His Parents" (1850) generating considerable controversy, and painting perhaps the embodiment of the school, "Ophelia", in 1850-51.
Knowledge 1: Peace Concluded
Peace Concluded, 1856 (1856) is a painting by John Everett Millais which depicts a wounded British officer reading "The Times" newspaper's report of the end of the Crimean War. It was exhibited at the Royal Academy in 1856 to mixed reviews, but was strongly endorsed by the critic John Ruskin who proclaimed that in the future it would be recognised as "among the world's best masterpieces". The central figure in the painting is a portrait of Millais's wife Effie Gray, who had previously been married to Ruskin. [SEP] Knowledge 2: Ars Nova (theater)
Since Ars Nova's founding, they've launched the careers of luminaries like Lin - Manuel Miranda (Pulitzer - winning playwright / composer of Hamilton & In The Heights), Liz Meriwether (Emmy - nominated creator of television's New Girl), Beau Willimon (Emmy - winning creator of Netflix's House of Cards), Amy Herzog (OBIE Award - winning playwright of 4000 Miles), Dave Malloy (Richard Rogers Award for Musical Theatre winner for Natasha, Pierre & the Great Comet of 1812), Annie Baker (Pulitzer Prize - winning playwright of The Flick & Circle Mirror Transformation), Thomas Kail (Director of In The Heights and Hamilton), Alex Timbers (two - time tony nominated writer and director, recently directed Rocky, and Peter and the Starcatcher), Billy Eichner (creator of Funny or Die's Billy on the Street), and Bridget Everett (comedian and cabaret performer), among others.
Knowledge 1: Peace Concluded
Peace Concluded, 1856 (1856) is a painting by John Everett Millais which depicts a wounded British officer reading "The Times" newspaper's report of the end of the Crimean War. It was exhibited at the Royal Academy in 1856 to mixed reviews, but was strongly endorsed by the critic John Ruskin who proclaimed that in the future it would be recognised as "among the world's best masterpieces". The central figure in the painting is a portrait of Millais's wife Effie Gray, who had previously been married to Ruskin. [SEP] Knowledge 2: Umayyad Caliphate
Muawiyah also encouraged peaceful coexistence with the Christian communities of Syria, granting his reign with "peace and prosperity for Christians and Arabs alike", and one of his closest advisers was Sarjun, the father of John of Damascus. At the same time, he waged unceasing war against the Byzantine Roman Empire. During his reign, Rhodes and Crete were occupied, and several assaults were launched against Constantinople. After their failure, and faced with a large-scale Christian uprising in the form of the Mardaites, Muawiyah concluded a peace with Byzantium. Muawiyah also oversaw military expansion in North Africa (the foundation of Kairouan) and in Central Asia (the conquest of Kabul, Bukhara, and Samarkand).

Answer: 13 August 1896