BERLIN (AP) — A German court on Tuesday convicted an 84-year-old man of illegal weapons possession for having a personal arsenal that included a tank, a flak cannon and multiple other items of World War II-era military equipment.

The state district in the northern city of Kiel handed the man a suspended prison sentence of 14 months and ordered him to pay a fine of 250,000 euros ($300,000), the German news agency dpa reported.

It also ordered the defendant, whose name was not given in line with German privacy laws, to sell or donate the 45-ton tank and the anti-aircraft cannon to a museum or a...