| Year/mth/day | Major event | |
| 1970/8/1 | National Chengchi University established the Department of Mathematics within its College of Arts and Science. The Department of Mathematics office was located in Ta-Chi building (大智樓). Prof. Ching-Hwa Deng (鄧靜華教授) was the founding chairperson. | |
| 1971/8/1 | Prof. Peter Shiue (薛昭雄教授) assumed the chairpersonship. | |
| 1974/8/1 | Department of Mathematics was renamed as Department of Mathematical Sciences. | |
| 1975/2/1 | Department office moved from Ta-Chi building (大智樓) to Ten-Fun building (天放樓). | |
| 1977/8/1 | Prof. Peter J. Shiue (薛昭雄教授) started sabbatical leave for one year. Prof. Wen-Ho Hsia (夏文侯教授) was the acting chairperson during the 1977-1978 academic year. | |
| 1980/8/1 | Prof. Wen-Ho Hsia (夏文侯教授) assumed the chairpersonship. | |
| 1985/8/1 | Prof. Kuang-Hsien Lin (林光賢教授) assumed the chairpersonship. | |
| 1987/8/1 | National Chengchi University established Graduate Institute of Mathematical sciences within its College of Arts and Science. Prof. Kuang-Hsien Lin (林光賢教授) was also the first director. | |
| 1988/8/1 | Prof. Kuang-Hsien Lin (林光賢教授) started sabbatical leave for one year. Prof. Long-Yi Tsai (蔡隆義教授) was the acting chairperson and the acting director during the 1988-1989 academic year. | |
| 1989/8/1 | National Chengchi University started the process to establish Department of Computer Science. | |
| 1990/10/1 | The office of the Department of Mathematical Sciences and the Graduate Institute of Mathematical Sciences moved from Ten-Fun building (天放樓) to Ko-Fu building (果夫樓). | |
| 1991/8/1 | Prof. Long-Yi Tsai (蔡隆義教授) assumed the chairpersonship and the directorship. | |
| 1992/8/1 | Prof. Long-Yi Tsai (蔡隆義教授) started sabbatical leave for one year. Prof. Ten-Ging Chen (陳天進教授) was the acting chairperson and the acting director during the 1992-1993 academic year. | |
| 1992/8/1 | National Chengchi University formed the Preparatory Team for the establishment of the Department of Computer Science. Prof. Ten-Ging Chen (陳天進教授) was the convener of the Team. | |
| 1993/8/1 | Prof. Ben Jang (張宏慶教授), the associate professor of Department of Mathematical Sciences, was appointed as the first chairperson of Department of Computer Science. | |
| 1994/8/1 | Prof. Ten-Ging Chen (陳天進教授) assumed the chairpersonship. | |
| 1994/8/1 | The Department of Mathematical Sciences and the Graduate Institute of Mathematical Sciences became under the College of Science, which was just separated from the College of Arts and Science. | |
| 1995/8/1 | Prof. Chiu-Wen Leu (呂秋文教授) assumed the chairpersonship. | |
| 1995/8/1 | The Graduate Institute of Mathematical Sciences was incorporated into the Department of Mathematical Sciences. The Department of Mathematical Sciences had both the bachelor program and the master program. | |
| 1997/8/1 | Prof. Chwan-Chin Song (宋傳欽教授) assumed the chairpersonship. | |
| 1999/8/1 | Prof. Ten-Ging Chen (陳天進教授) assumed the chairpersonship. | |
| 1999/8/1 | The Ph.D. program was established within the Department of Mathematical Sciences. The Department of Mathematical sciences had 3 programs- bachelor program, master program, and Ph. D. program. | |
| 2001/8/1 | Prof. Kuang-Hsien Lin (林光賢教授) retired. | |
| 2002/8/1 | Prof. Chiu-Wen Leu (呂秋文教授) retired. | |
| 2003/8/1 | Prof. Chwan-Chin Song (宋傳欽教授) assumed the chairpersonship. | |
| 2004/8/1 | Prof. Bing-Ying Lin (郎冰瑩教授) retired. | |
| 2005/8/1 | The special master program for mathematics teaching was established within the Department of Mathematical Sciences. The Department of Mathematical sciences has 4 programs- bachelor program, regular master program, special master program for mathematics teaching, Ph. D. program. | |
| 2006/8/1 | Prof. Long-Yi Tsai (蔡隆義教授) retired. | |
| 2007/8/1 | Prof. Thomas J. Jiang (姜志銘教授) assumed the chairpersonship. | |
| 2008/8/1 | Prof. Eng-Tjioe Tan (陳永秋教授) retired. | |
| 2011/8/1 | Prof. Ten-Ging Chen (陳天進教授) assumed the chairpersonship. |
