on this day, 14 engagements
Battles fought on 20 January
14 engagements in the atlas were fought on 20 January between 330 BC and 1990: 10 battles, 3 sieges and 1 naval action. Among them: Black January (1990), Battle of the Persian Gate on the Mountain (330 BC).
Engagements by date
| Date | Engagement | Place | War |
|---|---|---|---|
| 20 January 330 BC | Battle of the Persian Gate on the Mountain | Persian Gates | Wars of Alexander the Great |
| 20 January 1517 | Siege of Sneek | Sneek | |
| 20 January 1587 | Battle of Hetsugigawa | Ōno River | |
| 20 January 1645 | Siege of Duncannon | Duncannon | Irish Confederate Wars |
| 20 January 1777 | Battle of Millstone | Manville, New Jersey | American Revolutionary War |
| 20 January 1785 | Battle of Rạch Gầm-Xoài Mút | Siamese-Vietnamese Wars | |
| 20 January 1807 | Battle of Cardal | Cardal | Anglo-Spanish War |
| 20 January 1823 | Siege of Montevideo | Montevideo | Brazilian War of Independence |
| 20 January 1895 | Battle of Weihaiwei | Weihai | First Sino-Japanese War |
| 20 January 1918 | Battle of Imbros | Imbros | naval warfare in the Mediterranean during World War I |
| 20 January 1933 | First Battle of Nanawa | Gran Chaco | Chaco War |
| 20 January 1943 | Battle of the Gulf of Gabes | Mediterranean Sea | Mediterranean and Middle East Theater of World War II |
| 20 January 1943 | Case White | Kordun | World War II in Yugoslavia |
| 20 January 1990 | Black January | Baku | Q382861 |
Only engagements recorded to the day are listed. Dates before 1582 are Julian, as recorded.