London jumped 2.4 percent, Frankfurt climbed 2.3 percent, Paris advanced 1.6 percent, Milan gained 1.9 percent and Madrid was up 1.8 percent.
A sharp rebound in oil prices and data showing a surprise increase in Chinese factory orders also helped sentiment.
"China provided Western investors with a light at the end of the tunnel," said Connor Campbell, analyst at Spreadex trading group.
China is slowly returning to a semblance of normal life after months of tough restrictions which locked up millions of people at home and brought economic activity to a near standstill.
"Chinese factory data overnight gave a flicker of hope that the world's second largest economy is firing back up, despite large parts of the world grinding to a halt," said City Index analyst Fiona Cincotta.