Basic json layout for timeline.js (https://github.com/NUKnightLab/TimelineJS3) based on the docs: https://timeline.knightlab.com/docs/json-format.html

json.js

var json = {
    'events': [{
        'start_date': {
            'year': '2012'
        },
        'text': {
            'headline': '2012 - A Great Year',
            'text': "2012 was a great year"
        },
    }, {
        'start_date': {
            'year': '2013'
        },
        'text': {
            'headline': '2013 - Another Great Year',
            'text': "2013 was another great year"
        },
    }],
    'title': {
        'text': {
            'headline': 'Basic Timeline',
            'text': "A basic timeline."
        },
    }
};