Card No. 31

The answers

1. Since 1703

   Wiener Zeitung, a daily printed newspaper in Vienna

   Done for 2023

   The daily print edition ended June 30, 2023, after 320 years. A law change meant firms no longer had to pay to post notices in it. It now runs online with a monthly print run.

2. Since 1797

   A wooden sailing frigate in the US Navy

   Still going

   USS Constitution is still a commissioned US Navy ship, the oldest commissioned warship afloat anywhere. She still sails under her own power, and was underway in Boston Harbor on July 4, 2026.

3. Since 1952

   An Agatha Christie murder mystery play in London

   Still going

   The Mousetrap is still on in the West End. It passed its 30,000th performance on March 19, 2025, and is booking into its 75th year.

4. Since 1951

   A BBC radio soap set in a farming village

   Still going

   Still on BBC Radio 4, with over 21,000 episodes. It started partly to pass farming advice to postwar farmers, and turned 75 on January 1, 2026.

5. Since 1869

   A cog railway up the tallest mountain in the Northeast

   Still going

   The Mount Washington Cog Railway opened in 1869 and still runs to the summit. Most trains burn biodiesel now, but in summer 2026 the steam engines ran four days a week.