In 1998 Kuijlaars won the triennially awarded Popov prize. It is awarded biennially or triennially. The commission recommended that elections be held triennially. Beef Australia is an international exposition held triennially in Rockhampton, Queensland, Australia. Chiang Mai sent tributes to Bangkok triennially. Metropolitan borough councils elections were held triennially. Wards were replaced by electoral areas, and the entire council was to be elected triennially. Since 1964 national conventions have been held triennially. The elections at this point were held triennially. Pennsylvania gubernatorial elections were held triennially beginning with the first election in 1790 until 1878. From 1917 to 1926 a general convention was held triennially. Today, it is published triennially through Watkins Printing Company. The elections are conducted triennially for half the seats in the senate. The medal is awarded triennially, and Zeeman was the second ever recipient of the award. Local authority elections are held throughout New Zealand triennially and are conducted by postal vote.