Archaeologists in Sweden have uncovered a rare 1,100-year-old Viking coffin grave near Linköping. The grave contains weapons and a stone circle with Christian elements, which researchers describe as highly unusual. The discovery, made during excavations for a construction project, offers fresh insights into Viking burial customs and the early spread of Christianity in the region. The grave, dating to the late 9th to early 10th century, includes a wooden coffin surrounded by a carefully arranged stone circle. Inside, archaeologists found a sword, spear, and shield, indicating the deceased was likely a warrior of high status. A preserved nail and a…