For example, September 4 is Labor Day, this event has over 21 Million total reach and mostly talked about by people in the USA.
Create posts around these events, for example “Top 10 Movies To Watch This Labor Day Holidays”, “Best Tech Gadget Gifts For Family And Friends This Labor Day Holidays” etc. Share the posts with the Labor day hashtags, you will have a greater chance of reaching more people in the USA.
There are more of such events with dates on Twitter Analytics. Take advantage of them and grow your traffic today.