I hope to one day turn this into a historical media icontest.
Examples of historical media:
(note: this list is by no means exhaustive!)
pre-5th Century BC: Tut, Troy, Helen of Troy, 300, Spartacus, Rome, Empire, Ben-Hur, Pompeii, Gladiator, Agora
5th-10th Century AD - King Arthur, Tristan + Isolde, Beowulf, Valhalla Rising, Vikings, Camelot
11th-15th Century - The Pillars of the Earth, Kingdom of Heaven, Robin Hood: Prince of Thieves, Robin Hood, Ironclad, Marco Polo, Braveheart, Black Death, The Canterbury Tales, Henry V, Ironclad: Battle for Blood, Richard III, The White Queen, The Borgias, Borgia, The Hollow Crown, Robin Hood BBC, World Without End, Labyrinth (2012)
16th Century - The Borgias, Borgia, The Tudors, The Other Boleyn Girl, Reign, Elizabeth, La Reine Margot, Elizabeth: The Golden Age, Anne of the Thousand Days
17th Century - Elizabeth?, Elizabeth: The Golden Age?, The Three Musketeers, The Musketeers, The Devil's Whore, The Man in the Iron Mask, Versailles, The Crucible, Salem
18th Century - Black Sails, Casanova, Belle, A Royal Affair, The Duchess, Marie Antoinette, Outlander, Pride and Prejudice, Sense and Sensibility, Jane Eyre
19th Century - Jane Eyre, Belle, Wuthering Heights, War and Peace, Amazing Grace, Les Misérables, The Young Victoria, 12 Years a Slave, Gone with the Wind, The Last Samurai, Gandhi, Lark Rise to Candleford, Death Comes to Pemberley, Jamaica Inn, Cranford, North and South, Anna Karenina, The Paradise, Ripper Street, Penny Dreaful, Tipping the Velvet, Sharpe, Little Dorrit, Bleak House, Great Expectations, Our Mutual Friend, The Mystery of Edwin Drood, A Christmas Carol, The Tenant of Wildfell Hall, Wives and Daughters, Cranford, Tess of the d'Urbervilles, Far from the Madding Crowd, Oliver
Early-Mid 20th Century (1900s-1950s) - Gandhi, The Knick, Titanic, Downton Abbey, Chariots of Fire, Anastasia?, Boardwalk Empire, Atonement, Schindler's List, The Pianist, Pearl Harbor, Band of Brothers, Saving Private Ryan, Mr Selfridge, Upstairs Downstairs (1971), Parade's End, Peaky Blinders, A Young Doctor's Notebook, Brideshead Revisited, The Forsyte Saga, Miss Fisher's Murder Mysteries, Fleming, Indian Summers, Mapp and Lucia, Upstairs Downstairs (2010), Agent Carter, Outlander
1950s-1960s - Evita, Call the Midwife, Mad Men, Grease, Selma, Apocalypse Now, Good Morning Vietnam, M*A*S*H*, Grantchester, The Hour, Dirty Dancing, The Man in the High Castle, Pan Am
1970s - Apollo 13, The Last King of Scotland, All the President's Men, Life on Mars, Frost/Nixon, American Hustle, Argo, Fargo, Restless
1980s - Ashes to Ashes, Halt and Catch Fire, Narcos, The Americans, The Carrie Diaries, Marchlands, Twin Peaks
1990s - Hotel Rwanda, The Queen
Don't count:
Game of Thrones
The Lord of the Rings & The Hobbit
Brave
Stardust?
The Golden Compass?
The Sword in the Stone?
King Arthur?
other media that cannot be attributed to a specific period in history
older media that is set in the same time it was made (e.g. 80s films/tv that are set in the 80s)