Things You Didn’t Know Were Invented by Women

• You might not know that some things you use every day were invented by women.
• Nancy Johnson created the first hand-cranked ice-cream maker in 1843.
• Famous American chef Julia Child developed a shark repellent while working as a CIA assistant.

You might not know that everyday items like the dishwasher and the first version of the Monopoly board game were all created by women.

In honor of International Women’s Day, Business Insider looked back at some of the most famous inventions made by women throughout history. Some, like the chocolate chip cookie, were invented by accident. Others, however, were worked on for years before they gained international acclaim.