China ceded Taiwan and Diaoyutai Islands to Japan after Sino-Japan War under the Shimonoseki Treaty.
Japan surrendered, Taiwan returned to China under Cairo and Potsdom Declarations.
The U.S. government administrated Okinawa and the Diaoyutai under San Francisco Treaty
The United Nations reported that there might be existing of hydrocarbon deposit in the waters off Diaoyutai
The U.S. and Japan signed the Okinawa Reversion Treaty which included Diaoyutai Islands as part of Okinawa
More than five thousands students protested against Japan in the United States.
The Japanese government claimed sovereignty over Diaoyutai Islands following Chinese government's formal claim
Japan established official relationship with China. Two governments agreed to shelve the issue
Japan expelled Taiwanese boats operated around the Diaoyutai Islands
The Japanese government recognized the lighthouse which was made by the right-wing group in the Diaoyutai Island.
China formally protested again Japanese action in Diaoyutai dispute.
China passed the territorial sea law, which included the Diaoyutai as part of China's territory
Japanese Youth Federation illegally erected another lighthouse. Again, Chinese held even larger activities to protect the Diaoyutai Islands
A young man from Hong Kong by the name of David Chan went to Diaoyu Islands on a rented boat named HKS Bao-Diao, flying the national flag of China, in an attempt to claim Chinese sovereignty over the Diaoyu Islands.
Thousands of fishing boats set off from Jilong, Taiwan and successfully reached Diaoyu Islands.
Global Chinese Diaoyu Islands Forum was held in Xiamen, China and China Federation of Defend ing Diaoyudao Islands Limited was founded.
A group of seven people from mainland China successfully arrived at Diaoyu Islands for the first time.
Macao Diaoyutai Action Committee was established
Taiwan fishing boat 'United' was stroke by Japanese patrol boats and sank. The captain and two crews were kept by Japanese Government for three days
Twelve people from Taiwan set out to Diaoyu Islands to declare sovereignty and went back after a voyage around the islands for a week
Chinese Association for protecting Diaoyu Islands was set up in Yonghe, Taiwan
The official ocean monitoring ships 45 & 46 from mailand China entered the waters 12 miles around Diaoyu Islands
When Chinese Premier Wen Jiabao met with Prime Minister of Japan Asō Tarō, they had a controversy over the sovereignty of Diaoyu Islands
People from both mainland China and Hongkong held protests and demonstration outside Japanese Consulates
Overseas Chinese from Taiwan, mainland China, Macao and Hongkong gathered in front of Japanese Consulate General in New York, which was the largest local demonstration for the past 20 years
World Chinese Federation for the Protection of Diaoyu Islands (WCFPDI) was founded in Hongkong
Five members of WCFPDI set off to Diaoyu Islands to declare sovereignty and finally got to the area within Japan's control
As a response to Japanese right-wingers' action of landing on the islands, Diaoyu Islands protectors from Hongkong placed national flag of China on these islands
Janpanese Government signed the contract of purchasing Diaoyu Islands and nationalized them. Chinese Ocean surveillance ships headed to the waters around these islands and declared sovereignty
People in metroplitan cities in China, such as Beijing, Shanghai, Guangzhou and Hongkong held protests and demonstrations against Japan
As approved by Chinese Sate Council, Ministry of Civil Affairs and Chinese National Bureau of Oeanography published the accurate names and locations of the islands and the waters around them
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America and Japan held joint military drill in the sea areas around Diaoyu Islands
Taiwan Diaoyu Islands Protecting Association planned to send a statue of Matsu to the islands but was obstructed by Japanese official boats on its journey
