Exactly 500 years ago, 14,000 men died in one of the bloodiest battles in Scottish and English history.
The Scottish king, James IV became the last British monarch to be killed on British soil.
The Scots lost around 10,000men, the English 4,000 in just three hours of fierce fighting.
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The colours red, white and blue have been projected onto the monument following yesterday's terrorist attack at Westminster.
After Wednesday's downpours things are looking more settled.
Durham PCC, Ron Hogg is urging members of the public to "stay strong and stay together" by sharing intelligence to defeat terrorism.