Problem: (1) Theorem was proved in 1933 by Chiungtze C. Tsen ( also known as Zeng Jiongzhi in English ) .
(2) The theorem was proved by Zeng Jiongzhi ( also rendered as Chiungtze C. Tsen in English ) in 1933 .

Do (1) and (2) mean the same thing?
A: no

Problem: (1) The airline transferred all operations from Don Mueang International Airport to Suvarnabhumi Airport effective from 1 October , 2012 .
(2) Effective October 1 , 2012 , the airline has transferred all operations from Don Mueang International Airport to Suvarnabhumi Airport .

Do (1) and (2) mean the same thing?
A: yes

Problem: (1) In 2016 , Naver 's Webtoon service entered the Chinese market as XOY and Dongman Manhua in the Japanese market .
(2) In 2016 , Naver 's Webtoon service has entered the Japanese market as XOY and when Dongman Manhua joined the Chinese market .

Do (1) and (2) mean the same thing?
A: no

Problem: (1) Simon Butler ( died 1755 ) was a Welsh immigrant who came to Pennsylvania with his cousin Simon Mathews in 1712 .
(2) Simon Butler ( d. 1755 ) was a Welsh immigrant who , in 1712 , came to Pennsylvania with his cousin Simon Mathews .

Do (1) and (2) mean the same thing?
A:
yes