浙(zhe)東革(ge)命(ming)(ming)根據(ju)地(di)紀念館(guan)位于(yu)余姚市(shi)梁弄鎮橫(heng)坎頭村,借址于(yu)省級文(wen)物(wu)保(bao)護單位中(zhong)共浙(zhe)東區委(wei)舊址內。中(zhong)共浙(zhe)東區委(wei)舊址為(wei)木結(jie)構二層清末民居,由主(zhu)(zhu)樓及翼樓等建(jian)筑(zhu)組合而成。大整幢(chuang)建(jian)筑(zhu)掩映于(yu)紅崗勁(jing)松之(zhi)中(zhong),莊嚴肅穆,是廣大人民群(qun)眾特(te)別是青少年接受愛國主(zhu)(zhu)義革(ge)命(ming)(ming)傳(chuan)統教育的重要場所(suo)。
1942年(nian)7月,為(wei)(wei)(wei)加強對(dui)浙(zhe)東(dong)抗(kang)(kang)日(ri)斗爭的(de)(de)領(ling)導,中(zhong)共(gong)浙(zhe)東(dong)區(qu)(qu)(qu)委(wei)員會在(zai)慈北(bei)(bei)成(cheng)立。之(zhi)(zhi)后(hou),中(zhong)共(gong)浙(zhe)東(dong)區(qu)(qu)(qu)委(wei)根據浙(zhe)東(dong)抗(kang)(kang)戰(zhan)(zhan)的(de)(de)新形(xing)勢,確定了(le)“堅持三北(bei)(bei),開辟四(si)明”的(de)(de)戰(zhan)(zhan)略(lve)方針,于1942年(nian)10月進軍(jun)(jun)四(si)明山區(qu)(qu)(qu)。1943年(nian)4月,姚南重鎮梁弄(nong)獲得解(jie)放后(hou)不久,中(zhong)共(gong)浙(zhe)東(dong)區(qu)(qu)(qu)委(wei)及三北(bei)(bei)游擊司令部(bu)(bu)(后(hou)改名新四(si)軍(jun)(jun)浙(zhe)東(dong)游擊縱隊司令部(bu)(bu))等黨(dang)(dang)政(zheng)(zheng)軍(jun)(jun)機關便(bian)進駐(zhu)梁弄(nong),區(qu)(qu)(qu)黨(dang)(dang)委(wei)設在(zai)橫(heng)坎頭(tou)村(cun),司令部(bu)(bu)設在(zai)梁弄(nong)曉嶺街“小源(yuan)和”內,從此,梁弄(nong)成(cheng)為(wei)(wei)(wei)浙(zhe)東(dong)抗(kang)(kang)日(ri)根據地的(de)(de)政(zheng)(zheng)治、經濟、軍(jun)(jun)事和文化(hua)中(zhong)心,浙(zhe)東(dong)抗(kang)(kang)日(ri)根據地成(cheng)為(wei)(wei)(wei)抗(kang)(kang)戰(zhan)(zhan)時期全(quan)國十九個抗(kang)(kang)日(ri)根據地之(zhi)(zhi)一。中(zhong)國共(gong)產黨(dang)(dang)在(zai)梁弄(nong)領(ling)導浙(zhe)東(dong)軍(jun)(jun)民,團結奮(fen)斗,浴(yu)血奮(fen)戰(zhan)(zhan),譜寫了(le)無數曲勝(sheng)利的(de)(de)凱(kai)歌。抗(kang)(kang)戰(zhan)(zhan)勝(sheng)利后(hou),為(wei)(wei)(wei)實現全(quan)國和平,新四(si)軍(jun)(jun)浙(zhe)東(dong)游擊縱隊主力奉命北(bei)(bei)撤,留(liu)下極少(shao)數同志堅持浙(zhe)東(dong)地區(qu)(qu)(qu)的(de)(de)斗爭,粉碎了(le)國民黨(dang)(dang)反動派(pai)的(de)(de)多次“清剿”,1949年(nian)5月配合南下大軍(jun)(jun)解(jie)放了(le)余姚。
為(wei)記錄和紀(ji)念(nian)(nian)(nian)浙(zhe)(zhe)東抗日(ri)(ri)軍民的(de)歷史功(gong)(gong)績,開(kai)展(zhan)愛國主義和革命(ming)(ming)傳統教育,全國解放后(hou),余姚地方政府就著手建立革命(ming)(ming)紀(ji)念(nian)(nian)(nian)館(guan)(guan)(guan)。1978年11月,四明山革命(ming)(ming)紀(ji)念(nian)(nian)(nian)館(guan)(guan)(guan)由正(zheng)蒙小學遷址(zhi)到中(zhong)共(gong)浙(zhe)(zhe)東區(qu)委(wei)舊址(zhi)內,并(bing)于1981年7月1日(ri)(ri)正(zheng)式對外開(kai)放。1992年,為(wei)紀(ji)念(nian)(nian)(nian)中(zhong)共(gong)浙(zhe)(zhe)東區(qu)委(wei)成(cheng)立暨浙(zhe)(zhe)東抗日(ri)(ri)根據(ju)(ju)地創建五十周年,對紀(ji)念(nian)(nian)(nian)館(guan)(guan)(guan)進(jin)行(xing)(xing)整(zheng)修和重新陳列(lie)布展(zhan),同時,四明山革命(ming)(ming)紀(ji)念(nian)(nian)(nian)館(guan)(guan)(guan)更(geng)名為(wei)浙(zhe)(zhe)東革命(ming)(ming)根據(ju)(ju)地紀(ji)念(nian)(nian)(nian)館(guan)(guan)(guan)。1996年至(zhi)2000年,紀(ji)念(nian)(nian)(nian)館(guan)(guan)(guan)進(jin)行(xing)(xing)了擴建和陳列(lie)更(geng)新,增(zeng)加了觀眾休息和活動的(de)場(chang)所等新的(de)功(gong)(gong)能區(qu),更(geng)新了“浙(zhe)(zhe)東革命(ming)(ming)根據(ju)(ju)地史料陳列(lie)”,為(wei)浙(zhe)(zhe)東革命(ming)(ming)根據(ju)(ju)地紀(ji)念(nian)(nian)(nian)館(guan)(guan)(guan)整(zheng)體功(gong)(gong)能的(de)發揮奠定(ding)了良好(hao)的(de)基(ji)礎。