Years

3. A book published annually that contains information and photos about a particular year or group of people.
5. A group of people born and living at about the same time. Generations are often identified by shared experiences and values.
6. The day on which a person was born each year. Birthdays are celebrated with gifts, cake, and well-wishes.
8. A visual representation of events arranged in chronological order. Timelines help people understand the sequence and duration of events.
10. A system of organizing time into days, weeks, months, and years. Calendars help people keep track of important dates and events.
12. A period of ten years. People use decades to talk about events or trends that happened over a span of ten years.
13. A period of one thousand years. The concept of a millennium is often associated with significant milestones or transitions.

1. A period of one hundred years. Centuries are often used to discuss historical events or the age of something.
2. The length of time that a person or thing has existed. Age is often measured in years and is used to indicate stages of life or the duration of something.
4. year A year that has an extra day, February 29th, to account for the slight discrepancy between the calendar year and the solar year.
7. The date on which an event took place in a previous year. Anniversaries are often celebrated as special milestones.
9. A long and distinct period of time characterized by particular events, developments, or cultural influences.
11. One of the four divisions of the year: spring, summer, autumn, and winter. Each season is characterized by distinct weather patterns and changes in nature.