| Year / Month | History |
| 1948 June | The Theatre Company BUNGEIZA was formed, and has performed more than 500 times both at home and abroad. |
| 1972 March | Awarded the Toyama Press Prize for Artistic Achievements. |
| 1973 July | Awarded the Prize of the Minister of Labour. |
| 1974 November | Awarded the lst Kitanippon Press Prize for Encouragement. |
| 1975 November | Awarded the 3rd Toyama Prefectural Prize for Cultural Merits. |
| 1977 May | Participated in the International Maytime Festival in Dundalk, Ireland with Yuzuru, Sannennetaro. Won the Premier Award. |
| 1977 December | The Ireland ambassador to Japan, D. Neiligan visited Toyama to offer "The Dundalk International Maytime" Perpetual Trophy. |
| 1979 October | Awarded the Toyama Press Prize for Achievement in Juvenile Arts in Memory of The International Children's Year. |
| 1981 April | Participated in the Westchester with Theatre International The Proposal by Anton Chekhov and The Lesson by Eugene lonesco. Won the Gold Award for the play, the direction and the skill. |
| 1981 November | Awarded the Grand Prix of Suntory Foundation Culture Awards. |
| 1982 May | The representative of the BUNGEIZA, Hiroshi Koizumi was chosen to the board of International Amateur Theatre Association (IATA) Council. |
| 1982 July | Invited to Hungary to give a performance at the 6th Horvath lstvan festival. |
| 1983 September | Hosted the Toyama International Amateur Theatre Festival (TIATF). |
| 1983 November | Awarded the Kitanippon Press Prize for Culture. |
| 1984 May | Performed the same play as a Hungarian group, players Studio of Debrecen: The Proposal by Anton Chekhov. |
| 1984 July | Invited to the International Amateur Theatre Festiva1, Los Angels. |
| 1985 August | Hosted the Toyama International High School Drama Festival. |
| 1985 August | Hiroshi Koizumi, the representative, was appointed Vice-president of IATA. |
| 1985 October | Awarded the Japan Foundation Prize for the Promotion of Community Based Cultural Exchange. |
| 1987 May | Invited to give a performance of The Toth Family in Debrecen, Hajdtib6sz6rmeny, Nyiregyhaza, & Budapest, Hungary. |
| 1987 October | Performance in Brazil and Peru at the request of Toyama Prefectural delegation to South America. |
| 1987 November | Commendation from the President of All Japan Amateur Theatre Association. |
| 1989 February | Invited to the lst India Global Theatre Festival (Theatre Olympiad '89)and performed The Proposal by Anton Chekhov. |
| 1989 August | Hosted 27 groups from 24 countries to the Toyama International Youth Theatre Festival (TIATF'89). Hiroshi Koizumi,the representative,was appointed Vice-president of IATA for the 3rd time. |
| 1989 November | Awarded the Prize for Community Cultural Merits by the Minister of Education. |
| 1990 March | Hiroshi Koizumi directed Csokonai Theatre for the performance of Yuzuru and Sannennetaro in the 2nd Japan Festival in Hungary. |
| 1990 May | Csokonai Theatre came to perform Yuzuru and Sannennetaro in Toyama. |
| 1990 June | Won the 3rd Prize for The Lesson by Eugene lonesco at the AACT/FEST International in America at Des Moines, Iowa. Hiroshi Koizumi was awarded the Distinguished Merit Award of American Association of Community Theatre. Performed The Lesson by Eugene lonesco at Theatre Olympiad '90 in Kalamazoo. |
| 1991 June | Invited to AACT, and performed The Proposal at Overland Park in Kansas, USA. As a feature of the loth anniversary of Toyama-Debrecen cultural exchange, gave performances of The Lesson and May by Ern6 Szep at Debrecen, Hungary and Oradea, Rumania. |
| 1991 June | Hiroshi Koizumi was awarded Chokonai Prize in recognition of his cultural merits by the Governor of Hajdu-Bihar, Hungary. |
| 1991 July | Gave a performance of The Lesson at the World Amateur Theatre Festival in Haliden, Norway. Hiroshi Koizumi was elected vice-president of AITA/IATA for the fourth time. |
| 1992 April | Hiroshi Koizumi was awarded the Prize for Community Cultural Merits by the Minister of Education. |
| 1992 May | Gave a performance of The Proposal on the Toyama Night of the Oregon-Japan Week held in Portland, Oregon. |
| 1992 August | Organized and Held the fourth TIATF as TIATF'92 where 34 countries from 5 continents sent their representatives and 25 groups from 24 countries participated. |
| 1993 March | Invited to give a performance of The Proposal at Debrecen Spring Festival in Hungary. Performed The Proposal at The Bungeiza Evening in Prague, Czech. |
| 1993 July | Organized International Amateur Theatre Summit in Japan at Toyama. The Lesson was performed in sequence by Bungeiza and by Carlos III Group as a memorial feature of the Summit. Invited to the First Chunchon International Theatre Festival in Korea. As a special event there were three performances of The Lesson by Bungeiza, Spanish group and Korean group. |
| 1993 August | Participated in the loth World Festival of Amateur Theatre, Monaco and performed The Proposal. |
| 1993 September | Invited to the Euro-Mozaiek Antwerpen'93, Belgium, and gave a performance of The Proposal. |
| 1993 September | Hiroshi Koizumi was awarded the Golden Genesius Medal for his achivement for the cause of International Amateur Theatre by National Flemish Amateur Theatre Association (NVKT), Belgium. |
| 1994 June | Participated in the FOCUS 94 International Amateur Theatre Festival in Dornbirn, Austria. |
| 1994 June | Participated in the International Maytime Festival in Dundalk, Ireland as the Delegation to Europe for Grass-roots International Exchange subsidized by the Japan Foundation in 1994, and won the Special Entertainment Award. |
| 1994 September | Participated in the Festival International Diteatro Aruba 94. |
| 1994 October | Organized the Asian Amateur Theatre Summit in Japan and the Asian Theatre Video Festival. |
| 1995 September | Invited to Shenyang by Liaoning in order to give a performance of The Proposal in terms of A Programme of Overseas Performance of Local Artistic Organizations subsidized by the Agency for Cultural Affairs in 1995. |
| 1996 September-October | Organized the Toyama International Theatre Festival and International Children's Theatre Festival held as the feature of the 11th National Culture Festival in Toyama '96, inviting representatives of 26 nations from 5 continents, 26 groups from 23 nations abroad and 14 national groups in Japan. |
| 1996 December | Hiroshi Koizumi was awarded the Millecentenary Silver Medal of Hungary by Dr. Arpad GONCZ, President of the Republic of Hungary. |
| 1997 August | Participated in the 67th Horonov Festival in Czech and in El Jadida, Morocco with performances "The Lesson" and "The Proposal" (Introduction Program of Japanese Culture by Japan Foundation of the year) |
| 1997 August | Hiroshi KOIZUMI was awarded the Chevalier de lOrdre de Merite Cultural de la Principaute |
| 1997 August | Participated in the 11th World Festival of Amateur Theatre in Monaco, memorized the 700th government of Grimaldi. |
| 1998 October | Participated in the 11th International Theatre Festival in Aruba with the performance "The Fellow-traveller Named Kinu" written by Matsuyo Akimoto |
| 1999 January | Invited to perform "The Proposal" and "Tora" in Camberra and Sydney in Australia |
| 1999 September | Organized the 2nd Asian Amateur Theatre Summit in Japan and the Asian. |
| 2000 August | Cooperated for planning and promotion for the "TOYAMA World Festival of Children's Theatre in 2000" kRepresentative from 33 countries, 25 groups from 24 countries participatedl |
| 2001 August | Yukihito FUNAMOTO appointed a Council of AITA/IATA asbl |
| 2001 October | Hiroshi KOIZUMI was awarded the Prize of the Academy of Performing Arts in Prague, Czech |
| 2003 April | Performed with Kasai Dancing Company the Joint Productions "The Snow Bird and The Sun Bird" and "A White Road" in the Estates Theatre in Prague. |
| 2003 October | Hiroshi KOIZUMI directed "An Inspector Calls" with "Vojtina Puppet Theatre" "Players Studio Debrecen" in Debrecen, Hungary |
| 2004 May | Hiroshi KOIZUMI was awarded the Special Merit Award by China Liaoning Literature and Art Circles Union |
| 2004 August | Cooperated for planning and promotion for the "Asia-Pacific Festival of Children's Theatre in Toyama, 2004"kPTcountries and 17 groups participatedl |
| 2005 February | Hiroshi KOIZUMI was awarded the Prize of Altruism by Hajdu-Bihar County's Council in Hungary |
| 2005 April | Performed in the Estate Theatre in Prague as members of "Delegation of Toyama Performing Arts" for EU-Japan Year of People Exchanges |
| 2006 June | Hiroshi KOIZUMI was awarded "Pro.Cultura HUNGARICA" by the Republic of Hungary |
| 2006 October | Hiroshi KOIZUMI was awarded the Special Culture Award of the Flemish Ministry of Culture and Yukihito FUNAMOTO was awarded the Silver Genesius Medal. |
| Performed 10 productions, 57 times in 31 cities of 17 countries in 6 continents, and the number of performing is over 560 so far. Awarded both in Japan and overseas, including the Prize by the Minister of Education, Culture, Sports, Science and Technology. |