浙(zhe)東(dong)革(ge)命(ming)根據(ju)地紀念館位(wei)于(yu)余姚(yao)市梁弄(nong)鎮橫(heng)坎頭村,借址于(yu)省級(ji)文物保(bao)護單位(wei)中(zhong)(zhong)共(gong)浙(zhe)東(dong)區委舊(jiu)(jiu)址內(nei)。中(zhong)(zhong)共(gong)浙(zhe)東(dong)區委舊(jiu)(jiu)址為木結(jie)構二層清末民(min)居,由主樓及翼樓等建筑(zhu)組(zu)合而成。大整幢建筑(zhu)掩映于(yu)紅崗勁松之中(zhong)(zhong),莊嚴肅穆,是(shi)廣大人民(min)群眾特(te)別是(shi)青少年(nian)接受愛國主義革(ge)命(ming)傳(chuan)統(tong)教(jiao)育(yu)的重要場所。
1942年(nian)(nian)7月(yue),為(wei)加強(qiang)對(dui)浙東(dong)(dong)抗(kang)(kang)日(ri)斗爭的(de)領導(dao),中共(gong)浙東(dong)(dong)區委(wei)員會在慈北(bei)成(cheng)立(li)。之(zhi)后,中共(gong)浙東(dong)(dong)區委(wei)根據浙東(dong)(dong)抗(kang)(kang)戰的(de)新形勢,確(que)定了(le)“堅持三北(bei),開辟四(si)明”的(de)戰略方針,于1942年(nian)(nian)10月(yue)進軍四(si)明山區。1943年(nian)(nian)4月(yue),姚南(nan)重(zhong)鎮梁(liang)弄(nong)獲得(de)解放后不久,中共(gong)浙東(dong)(dong)區委(wei)及三北(bei)游擊司(si)令(ling)部(后改名新四(si)軍浙東(dong)(dong)游擊縱隊司(si)令(ling)部)等黨(dang)政(zheng)(zheng)軍機關便(bian)進駐梁(liang)弄(nong),區黨(dang)委(wei)設(she)在橫坎頭(tou)村(cun),司(si)令(ling)部設(she)在梁(liang)弄(nong)曉嶺街“小源和(he)”內,從(cong)此,梁(liang)弄(nong)成(cheng)為(wei)浙東(dong)(dong)抗(kang)(kang)日(ri)根據地的(de)政(zheng)(zheng)治、經濟、軍事(shi)和(he)文化中心(xin),浙東(dong)(dong)抗(kang)(kang)日(ri)根據地成(cheng)為(wei)抗(kang)(kang)戰時期全國(guo)十九個(ge)抗(kang)(kang)日(ri)根據地之(zhi)一。中國(guo)共(gong)產黨(dang)在梁(liang)弄(nong)領導(dao)浙東(dong)(dong)軍民,團結奮(fen)斗,浴(yu)血奮(fen)戰,譜寫了(le)無(wu)數曲(qu)勝(sheng)利的(de)凱歌。抗(kang)(kang)戰勝(sheng)利后,為(wei)實現全國(guo)和(he)平,新四(si)軍浙東(dong)(dong)游擊縱隊主力奉(feng)命北(bei)撤,留下極(ji)少(shao)數同志堅持浙東(dong)(dong)地區的(de)斗爭,粉碎了(le)國(guo)民黨(dang)反動派的(de)多次“清剿”,1949年(nian)(nian)5月(yue)配(pei)合(he)南(nan)下大軍解放了(le)余姚。
為(wei)(wei)記錄和紀(ji)(ji)念(nian)(nian)浙(zhe)(zhe)(zhe)(zhe)東(dong)(dong)(dong)抗日(ri)軍民的歷史功績,開展愛國主義和革命傳統教育,全國解放(fang)(fang)后(hou),余(yu)姚地(di)(di)方政(zheng)府(fu)就(jiu)著手建立革命紀(ji)(ji)念(nian)(nian)館(guan)(guan)。1978年(nian)(nian)11月(yue),四明(ming)山革命紀(ji)(ji)念(nian)(nian)館(guan)(guan)由(you)正(zheng)(zheng)蒙(meng)小學遷址(zhi)到中共(gong)浙(zhe)(zhe)(zhe)(zhe)東(dong)(dong)(dong)區委舊址(zhi)內(nei),并(bing)于1981年(nian)(nian)7月(yue)1日(ri)正(zheng)(zheng)式對外開放(fang)(fang)。1992年(nian)(nian),為(wei)(wei)紀(ji)(ji)念(nian)(nian)中共(gong)浙(zhe)(zhe)(zhe)(zhe)東(dong)(dong)(dong)區委成立暨浙(zhe)(zhe)(zhe)(zhe)東(dong)(dong)(dong)抗日(ri)根(gen)據(ju)地(di)(di)創(chuang)建五十周(zhou)年(nian)(nian),對紀(ji)(ji)念(nian)(nian)館(guan)(guan)進行(xing)整修和重新陳列(lie)布展,同時,四明(ming)山革命紀(ji)(ji)念(nian)(nian)館(guan)(guan)更(geng)名為(wei)(wei)浙(zhe)(zhe)(zhe)(zhe)東(dong)(dong)(dong)革命根(gen)據(ju)地(di)(di)紀(ji)(ji)念(nian)(nian)館(guan)(guan)。1996年(nian)(nian)至2000年(nian)(nian),紀(ji)(ji)念(nian)(nian)館(guan)(guan)進行(xing)了(le)擴(kuo)建和陳列(lie)更(geng)新,增(zeng)加了(le)觀眾休息和活動的場所等新的功能(neng)區,更(geng)新了(le)“浙(zhe)(zhe)(zhe)(zhe)東(dong)(dong)(dong)革命根(gen)據(ju)地(di)(di)史料陳列(lie)”,為(wei)(wei)浙(zhe)(zhe)(zhe)(zhe)東(dong)(dong)(dong)革命根(gen)據(ju)地(di)(di)紀(ji)(ji)念(nian)(nian)館(guan)(guan)整體功能(neng)的發揮奠(dian)定了(le)良(liang)好(hao)的基礎(chu)。