Tillya tepe, Tillia tepe or Tilla tapa (Persian: ) or (literally "Golden Hill" or "Golden Mound") is an archaeological site in the northern Afghanistan province of Jowzjan near Sheberghan, excavated in 1978 by a Soviet-Afghan team led by the Greek-Russian archaeologist Viktor Sarianidi, a year before the Soviet invasion of Afghanistan. The hoard is often known as the Bactrian gold.

Based on the paragraph above can we conclude that "The Soviets invaded Afghanistan in 1979"?
Yes