While Black Friday and Cyber Monday get all the attention in the U.S., China’s Singles Day puts them both to shame. Last year, more items were bought during the 24 hours of Singles Day than the entire combined Black Friday and Cyber Monday sales in the states.

The event, conceived and organized by Alibaba, is the biggest commerce day in the world. But what is Singles Day? And what has it spawned? Here are a few answers to commonly asked questions.

What is Singles Day about?

Call it the anti-Valentine’s Day. The date 11/11 is significant because of the solitary implications of the number 1. And it was originally meant for people who wanted to celebrate being single. Though, much like National Pancake Day and Labor Day, it has turned into more of a retail event.

SHANGHAI, CHINA – NOVEMBER 10: Singer Jessie J performs on the stage during 2017 Alibaba Singles’ Day Global Shopping Festival gala at Mercedes-Benz Arena on November 10, 2017 in Shanghai, China. (Photo by VCG/VCG via Getty Images)

VCG VCG via Getty Images

How did it get started?

Singles Day first popped up in…