I love swords.
So check this out.
While excavating a castle, in the city of Banja Luka, archaeologists in Bosnia, discovered a 700-year-old sword 36 feet underwater and stuck in a rock in the Vrbas River. The sword is being described as a “real-life Excalibur.”

However, I don’t believe that it is Excalibur.
There are several reasons for this:
1.) Its rusted. Excalibur is said to be magical and suppose to have been forged by a god.
2.) It was find in a stone.m According to legend, Sir Bedivere, a Knight of the Round Table threw it back into the lake and The Lady of the Lake took it back.
Here are some other sword discoveries:
In 2017, a British girl swimming at Dozmary Pool, discovered a shiny, 4-foot sword, which is thought to be a movie prop.
Also in 2017. in southern Norway a Viking sword was discovered by a reindeer hunter in the mountains.
Earlier of 2019, workers were digging to build a sewer in Aalborg, Denmak discoverd a sword that could date to the 14th century.
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lite1065.com/2019/10/25/excalibur-found-700-year-old-sword-discovered-stuck-in-a-rock