

The longest lasting pen friendship (pen pals) is 83 years 172 days, and was achieved by Ruth Magee (Canada) and Beryl Richmond (UK), as verified on 5 June 2023.
Ruth and Beryl began corresponding as children through a school pen pal program in 1939. The two women have met in person twice: once in 1986, and a second time in 2009.
"The pair, who also chat on the phone from time to time, say they’re thrilled that their friendship is officially record-breaking."