Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Alphonse Mucha:

This text has been unreferenced on Wikipedia for a very long time. If you can't find a source, be bold and remove it!

"

He created the twenty canvases between 1912 and 1926. He worked throughout the First World War, when the Austrian Empire was at war with France, despite wartime restrictions, which made canvas hard to obtain. He continued his work after the war ended, when the new Czechoslovak Republic was created. The cycle was completed in 1928 in time for the tenth anniversary of the proclamation of the Czechoslovak Republic.[citation needed]