The dance form that has created history by entering into the Guinness Book of World Records as the largest Ladakhi dance is Chalo.

Explanation:
Chalo is a traditional folk dance of Ladakh, a region in northern India. It is performed during festive occasions and celebrations. In 2018, Chalo created history by entering the Guinness Book of World Records as the largest Ladakhi dance ever performed.

Here is a detailed explanation of the event:

- Guinness Book of World Records:
The Guinness Book of World Records is a renowned reference book that lists record-breaking achievements related to various fields. It is widely recognized as the authority on world records.

- Largest Ladakhi Dance:
The record for the largest Ladakhi dance was achieved by Chalo, a dance group consisting of 408 participants. The dance was performed in the city of Leh, which is the capital of Ladakh. The participants were dressed in traditional Ladakhi attire, adding vibrancy and cultural authenticity to the event.

- Objective and Impact:
The objective of attempting this record was to promote Ladakhi culture and showcase it to a global audience. By entering the Guinness Book of World Records, Chalo not only gained recognition for their talent and efforts but also brought attention to the rich cultural heritage of Ladakh.

- Organizational Efforts:
Organizing such a massive dance performance required meticulous planning and coordination. The Chalo dance group, along with local authorities, worked together to ensure the success of the event. They arranged for a suitable venue, provided training and guidance to the participants, and managed the logistics of the record attempt.

- Cultural Significance:
Ladakh has a unique cultural identity, and its traditional dances hold immense significance. Chalo's achievement not only highlighted the beauty of Ladakhi dance but also encouraged the preservation and promotion of local traditions. It served as a source of pride for the Ladakhi community and attracted attention from people worldwide.

In conclusion, Chalo, a traditional Ladakhi dance group, created history by entering the Guinness Book of World Records for performing the largest Ladakhi dance. This achievement not only showcased the cultural richness of Ladakh but also brought global recognition to the dance form and its performers.