Highcharts.stockChart('container', {

    chart: {
        width: 800
    },

    xAxis: {
        dateTimeLabelFormats: {
            week: '%a,<br/>%e. %b'
        },
        // startOfWeek: 1, // by default
        tickPixelInterval: 70
    },

    rangeSelector: {
        selected: 1
    },

    series: [{
        name: 'USD to EUR',
        data: usdeur
    }]
});