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    Free printable · 2 pages · One set per group of three

    Timeline sort cards

    Twelve documented moments printed as cut-out cards, spread deliberately across the ancient world, the medieval centuries, the industrial era and the modern age. Each card carries the event, the place and one visual clue — but no year. Groups order them, argue the sequence, then check against the answer key on page two, which prints separately so it stays with the teacher.

    Grades 5–10 · KS2–KS4 · ages 10–1615–25 minutesA4 & US Letter
    Open the world history timeline

    How to run it

    1. 1Print page one per group and cut along the dashed lines before the lesson — twelve cards per set.
    2. 2Groups order the cards oldest to newest, face up, and must justify each placement out loud.
    3. 3Only then hand out page two, the answer key with years, and have groups mark their own sequence.
    4. 4Extension: ask groups to name the century gap between the two cards they got most wrong.

    Free to photocopy for your classes. Keep the footer credit and use it as often as you like.

    Preview — this is exactly what prints

    Timeline sort cards

    Order the cards oldest to newest. You must give a reason out loud for every card you place.

    HistoryGuesser

    Cut along the dashed lines. Twelve real moments, no dates. Order them oldest to newest — every placement needs a reason said out loud before the card goes down.

    CARD 1

    Zheng He's Treasure Fleet Expedition

    Longjiang shipyards and the Yangtze at Nanjing, China

    Junk rig with battened sails and multiple masts, plus watertight bulkheads — Chinese shipbuilding centuries ahead of Europe.

    Our position
    CARD 2

    Christ the Redeemer Under Construction, Rio de Janeiro

    Corcovado mountain, Rio de Janeiro, Brazil

    A concrete armature and scaffolding wrapping an unfinished figure 30 metres tall.

    Our position
    CARD 3

    Mayflower Landing at Plymouth Rock

    Plymouth harbour, Cape Cod Bay, Massachusetts

    A single square-rigged merchant ship, no fleet: the Speedwell turned back leaking in Plymouth, England.

    Our position
    CARD 4

    Sydney Opera House Under Construction

    Bennelong Point, Sydney Harbour, Australia

    Precast concrete rib shells, all cut from the surface of a single imagined sphere — Utzon's solution to an unbuildable geometry.

    Our position
    CARD 5

    Colosseum Construction, Ancient Rome

    The Flavian Amphitheatre, Rome, Italy

    Fresh, pale travertine with lifting bosses still visible on the blocks — quarried at Tivoli and hauled 20 miles by road.

    Our position
    CARD 6

    Washington Monument Nearing Completion

    The National Mall, Washington, D.C.

    A visible colour change about a third of the way up, where marble from a different quarry was used after the pause.

    Our position
    CARD 7

    Shakespeare's Globe Theatre, London

    Bankside, Southwark, London, England

    A polygonal timber galleried playhouse with a thatched roof and an open yard.

    Our position
    CARD 8

    Los Angeles Summer Olympics

    Los Angeles Memorial Coliseum, California

    The 1932 Coliseum reused rather than replaced, with temporary structures and bright 'festive federalism' colour panels.

    Our position
    CARD 9

    Construction of the Great Pyramid of Giza

    Giza plateau, west bank of the Nile, Egypt

    Construction ramps and unfinished casing: a pyramid still being dressed, not the stepped, weathered core visitors see today.

    Our position
    CARD 10

    First Modern Olympic Games, Athens

    Panathenaic Stadium, Athens, Greece

    A horseshoe of white Pentelic marble seating with a sharply pointed turn, not a modern oval.

    Our position
    CARD 11

    Gutenberg's Print Shop, Mainz

    Johannes Gutenberg's workshop, Mainz, Germany

    A wine-style screw press adapted for printing, with a sliding bed and tympan.

    Our position
    CARD 12

    V-J Day Celebration in Times Square

    Times Square, New York City

    The Times Tower zipper spelling out the surrender headline above the crowd.

    Our position
    Page 1 of 2 · cards · free to copy for classroom use.historyguesser.app

    Timeline sort cards — answer key

    Correct order, oldest first. Hand out only after groups have committed to a sequence.

    HistoryGuesser

    1. 1.Construction of the Great Pyramid of GizaGiza plateau, west bank of the Nile, Egypt2570 BCcard 9
    2. 2.Colosseum Construction, Ancient RomeThe Flavian Amphitheatre, Rome, Italy78card 5
    3. 3.Zheng He's Treasure Fleet ExpeditionLongjiang shipyards and the Yangtze at Nanjing, China1420card 1
    4. 4.Gutenberg's Print Shop, MainzJohannes Gutenberg's workshop, Mainz, Germany1455card 11
    5. 5.Shakespeare's Globe Theatre, LondonBankside, Southwark, London, England1600card 7
    6. 6.Mayflower Landing at Plymouth RockPlymouth harbour, Cape Cod Bay, Massachusetts1620card 3
    7. 7.Washington Monument Nearing CompletionThe National Mall, Washington, D.C.1884card 6
    8. 8.First Modern Olympic Games, AthensPanathenaic Stadium, Athens, Greece1896card 10
    9. 9.Christ the Redeemer Under Construction, Rio de JaneiroCorcovado mountain, Rio de Janeiro, Brazil1930card 2
    10. 10.V-J Day Celebration in Times SquareTimes Square, New York City1945card 12
    11. 11.Sydney Opera House Under ConstructionBennelong Point, Sydney Harbour, Australia1971card 4
    12. 12.Los Angeles Summer OlympicsLos Angeles Memorial Coliseum, California1984card 8

    Marking and extension

    • Score the sequence, not the years: one point per card that sits between the correct neighbours.
    • Ask each group to name the two cards they swapped, then work out the century gap between them.
    • Follow-up: which cards could a student have ordered from the clue alone, and which needed prior knowledge? That distinction is the lesson.
    • Every event on these cards has a written account on historyguesser.app/moments if a group disputes a date.
    Page 2 of 2 · teacher answer key.historyguesser.app

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