The history of Senate lapel pins dates to 1965, when lawmakers adopted a resolution to create “service pins or emblems” for Senate members, officers and employees.

The official Senate pin isn’t as popular, since there’s less turnover and fewer people to keep track of. Each chamber has its own pin, and the designs change from year to year.

From crayon pins to 1870 buttons ... Jose Luis Magana / AP Senate Minority Leader Mitch McConnell was seen sporting a blue and yellow tie at the 2023 State of the Union address.