dec 20, 2019 - Minimum age for 
sale of tobacco 
products raised to 
21 years
Description:
 "On Dec. 20, 2019, the President [Trump] signed legislation amending the Federal Food, Drug, and Cosmetic Act, and raising the federal minimum age for sale of tobacco products from 18 to 21 years." 1
Source: 
1. https://www.fda.gov/tobacco-products/retail-sales-tobacco-products/tobacco-21#:~:text=On%20Dec.,from%2018%20to%2021%20years. 
Added to timeline:
Date:
 ~ 5 years and 10 months ago