Guide
How to guess years and dates
Year questions are the opposite of price and distance questions: the answer lives on an ordinary number line, and being 20 years off feels very different from being twice as big. Here is how to make them work for you.
Anchor to eras, not to the exact year
Start by placing the event in a rough era, and only then narrow it down. A short list of fixed points does most of the work:
| Anchor | Year |
|---|---|
| Magna Carta | 1215 |
| Columbus reaches the Americas | 1492 |
| US Declaration of Independence | 1776 |
| US Civil War begins | 1861 |
| First powered flight (Wright brothers) | 1903 |
| World War I begins | 1914 |
| World War II begins | 1939 |
| First crewed Moon landing | 1969 |
| Fall of the Berlin Wall | 1989 |
| First iPhone | 2007 |
Now ask: was it before or after each of these? Many events fall into place immediately. If a technology needs electricity, it is after the 1880s. If it needs a transistor, it is after 1947. If it runs on the internet, it is after the mid-1990s for ordinary people.
Use "what else was happening?"
The best date guesses come from context. A famous novel written by an author whose other work you know can be dated by their lifespan. A building described as a "skyscraper" must be after 1885, when the first one went up in Chicago. A product that mentions a particular currency, brand or technology can be placed by that. When in doubt, ask what the people involved could and could not have had.
How Catamount scores years
For events less than a century old, you must be exactly right for 100 points, and your score drops in a straight line as you miss, reaching zero at an error equal to about half the event's age. Being 5 years off on a 1969 event scores about 82; being 10 years off scores about 65. For older events the scoring is gentler in absolute terms, because nobody can be expected to pin down the year of something 500 years ago. Read the full scoring rules if you want the details.
What this means in practice: for recent history, be as precise as you can, because every year counts. For ancient or medieval history, accept a wider margin and aim for the middle of your range.
Common traps
- Invention versus popularity. The year a thing was invented is often decades before the year it became common. Questions usually ask for one specific, well-documented year, such as publication, founding or release.
- Compressed recent history. Events from the last 30 years feel closer together than they are. Anchor with a specific memory, like where you were or how old you were.
- The "round year" bias. People over-guess years ending in 0 or 5. The real distribution is flat, so there is no reason to prefer 1950 over 1951.