Dong Nai , historical periods from the beginning of the fifteenth century BC is considered metal continuation period ( prehistoric ) until the group of Vietnamese immigrants to enter the land of Dong Nai . Historians often called the medieval period or the period of formation of the ancient kingdom in Southeast Asia .
Dong Nai is the name of a province in the Southeast . Dong Nai name of unknown origin , but ever since the Vietnamese diaspora group to explore the origin of the concept of Dong Nai is a large area of South East , when the South today . In space lands Dong Nai learn in 15 century AD we limit the administrative boundaries since 1991 .
These records document written about this period of history far too little and not codified . On the basis of a set of documents , bibliography , and most importantly, the history of archaeological research over time ( House of Dong Nai Museum in collaboration with the authorities undertook research unearthed many archaeological relics architectural form , this kind of temple and tomb , there are dozens of sites of cultural vestiges and relics found on ancient Dong Nai province ) and research and compare the ruins and artifacts , the vicinity . We initially identified generalized relationships cultural history in Dong Nai historical period 15 century AD .
In the last decades of the nineteenth century geologists , archaeologists discovered France in turn , announced a few traces of ancient civilizations on Dong Nai river basin , such as four hands Vishnu statue , pedestal granite has grooves for water , vertical male idol gods ; Apsara statue , Vishnu statue , statues of deities in the area Visvakarma Buu Son ( Binh Thanh hamlet , Binh First ) ; participate Buddha sitting posture Indian -style meditation , the church in Long Hidden temple ( the village of Tan Lai ) , a hip piece standing statues , costumes have lane lines ; bust statue gods are worshiped in robes Giac Pagoda ( Hoa Binh village , Hiep Hoa ) , a rectangular water tank size of 1,500 mx 375 m in Doc Soi ( Before Binh village ) Upper total Phuoc Vinh , Bien Hoa province , Statue of Ganesa ( the elephant-headed himself ) sitting posture can hose wrapped around the body , the church in the village of Phuoc pagoda Xuan Tan ( Tan Trieu ) Uma idol has four hands victory to top the buffalo were found near the northern bank of canal Wang Cai Long Binh village ; Ganesa statues ( his elephant head ) carved in stone in a sitting position , temple worship in the village of Long Buu Long Hy , a square cloth put on a few large bricks , goddess statue has four arms leaning on racks arc , wearing a top hat , wearing the sarong Buu church in An Hoa village , Vinh Long Thuong total . Two brick foundation edges from 50 m - 60 m 2 m high and 15 m high edge from 1.50 to 2 m , connected to two rectangular lake is about 80 mx 50 m , in some areas found object piece large , a foot bronze statue in the village of Long Phuoc , general Thanh Thuong However , Ba Ria .
Above is the original findings but little , but very important discrete signals indicate the remnants of an ancient civilization , the continuous development since the metal ( history ) to the century AD on Dong Nai river basin .
In the 40 years of the twentieth century French archaeologists discovered a series in turn traces the archaeological culture in the southwest . In 1944 Louis Malleret conducted the first excavations at Oc Eo ruins - Third World ( An Giang ), including the type of brick architecture - stone - sand form Hindu temples - Hindu , collecting many objects god , inscriptions , objects of worship , activities , bronze , gold , ceramic ... Then type Malleret monument called Oc Eo culture . The discovery of the archaeological ruins of an important " early state " with " port city " Oc Eo has made scientists - particularly international attention for years on the West South .
Dong Nai on land during a longer period of 40 years ( 1935-1975 ) have not detected additional information monuments and artifacts of the Oc Eo culture .
After the reunification of the country (30 - 4-1975 ) , the archaeologists of Vietnam Institute of Archaeology , Hanoi History Museum , initially verify the location discovered archaeological traces prehistoric published concurrently investigation findings , the study unearthed some other monuments . The cultural vestiges of this period have not been paying attention because we only concept development Hau River in the west . Until the year 1985 - 1986 in the archaeological survey, the overall emergency wetlands Tri An hydropower reservoir , the archaeologist at the Center for Archaeological Research Institute for Social Sciences at City Ho Chi Minh city found brick architectural monuments Cay Gao I, Gao II and synchronization trees . These relics were conducted excavations , to collect research materials .
Since then, the type of brick architecture ancient ruins in Dong Nai river basin newly attention . Dong Nai Museum regularly coordinate with the authorities conducted several surveys in the province . In the two years 1994 - 1996 , Dong Nai Museum deploy scientific research archaeological culture in Dong Nai - 10 first century BC . From this work , through archeology, Dong Nai has to study the conditions outlined Dong Nai cultural history of the first century AD before residents Vietnam , U.S. to reclaim this land .
To date (1998 ) , there are about 23 places of archaeological type stage 15 century AD was discovered on the Dong Nai . In the southwest also discovered more than 90 archaeological ruins of the Oc Eo culture with the type of floor architecture , temples , harbors, tombs ... and more abundant relics . The remains of categories Oc Eo culture not only distributed in western Hau River that are present all over the South , South East . In Dong Nai river upstream located in Cat Tien Lam Dong province has also discovered a cluster of large scale monument called " Fairy Cat Sanctuary " climate of Oc Eo culture .