Catherine I[kăthˈər-ĭn, kăthˈrĭn] 1684?-1727.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Empress of Russia (1725-1727) as successor to her husband, Peter the Great. She founded the Russian Academy of Sciences (1725).