Maryland considers a bill incentivizing the 4-day workweek. Here's how the 5-day workweek became so popular in the first place.

• Maryland lawmakers introduced a bill that would incentivize a 32-hour workweek.
• The proposal follows growing interest in cutting the workweek to 32 hours from 40 hours.
• Here's a timeline of how the US adopted the five-day, 40-hour workweek.

The push for a four-day workweek is gaining traction. 

A bill introduced by Maryland lawmakers in January incentivizes employers to institute a 32-hour workweek without cutting worker pay and benefits.