蒙古族的传统节日中，新年庆祝活动被称作“Naadam”。这个词源自汉语中的“纳达木”，在蒙古语中则是“наадам”（naadam），意思是“游戏”或“比赛”。这一名称反映了这场庆典不仅仅是一种宗教仪式，更是一系列竞技活动和娱乐表演的集合体。

在每年的7月11日至13日，蒙古国都会举办一场盛大的Naadam节，这是世界上最为著名的游牧民族节日之一。这个节日有着悠久的历史，可以追溯到13世纪时期，但现代版本主要是在19世纪末开始形成。在那时，它成为了一个政治、社会和文化生活的一部分，尤其是在国家独立后更是成为了一种象征。

Naadam节包括三个主要项目：马术赛事、摔跤比赛以及射箭比赛。这些项目不仅展示了蒙古人的勇敢与技能，也反映了他们对自然环境适应能力强，以及对自由精神的追求。马术赛事通常以长距离骑行为主，而摔跤比赛则要求参与者使用特定的技巧和力量来击败对方，并保持稳定平衡。此外，射箭比赛也展现了精准度和耐心。

除了这些体育竞技，还有许多其他形式的表演，如歌舞、戏剧以及各种手工艺品销售。这一切都将融入一个庞大而热闹的庆祝氛围中，让来自世界各地的人们共同体验到蒙古文化的一面镜子。

此外，在Naadam之外，还有一些其他重要的传统节日，如春分祭祀，以感恩天地万物给予生命所需；还有秋收丰收感恩之际举行的大型宴会，这些都是深受蒙古族人喜爱并且积极参与其中的事物。

总结来说，Montagnard（即Montagnards）or Mongols' New Year celebration, Naadam Festival, is a unique and significant event in the calendar of Mongolians. It is not just a religious or cultural festival but also an occasion to celebrate the traditional values such as courage, strength and skill that have been passed down through generations. The festival showcases three major sports events: horse racing, wrestling and archery which are an integral part of Mongolian culture.

The Naadam Festival has a rich history dating back to the 13th century when it was held during the reign of Genghis Khan. However, its modern form began taking shape towards the end of 19th century after Mongolia gained independence from China.

The festival includes various other performances like music, dance and drama along with handicrafts for sale which all come together to create a vibrant atmosphere that brings people from around the world together to experience Mongolian culture.

In addition to Naadam there are several other important festivals celebrated by Mongolians like spring equinox where they give thanks for life-giving forces from nature; autumn harvest celebrations where large feasts are organized which all contribute greatly to their cultural identity.