Von Bellingshausen sighted Antarctica on the 27th of January 1820, three days before Bransfield sighted land, and ten months before Palmer did so in November 1820.

"Results": [
    {
        "TypeName": "PER",
        "Text": "Von Bellingshausen",
        "Start": 0,
        "End": 18
    },
    {
        "TypeName": "LOC",
        "Text": "Antarctica",
        "Start": 27,
        "End": 37
    },
    {
        "TypeName": "PER",
        "Text": "Bransfield",
        "Start": 85,
        "End": 95
    },
    {
        "TypeName": "PER",
        "Text": "Palmer",
        "Start": 132,
        "End": 138
    }
]